Lingula anatina It contains two distinct materials: an entirely organic and soft primary layer that is followed inward towards the soft tissue of the animal, by a laminated chitinophosphatic secondary layer (Williams et al. Hence, our present study Fig 2: Lampshell, Lingula anatina collected in Thuy Trieu lagoon. In 1812 the first fossil lingulids were discovered in the Mesozoic and Palaeozoic strata of the U Lingulid brachiopods, such as Lingula anatina, are regarded as one of the most primitive of brachiopods. Scatter plot of total length and body weight of Lingula anatina at S-II, MTL during study period. Unlike clams and mussels, brachiopod shells are on t Oct 7, 2023 · Studies on Lingula anatina (Brachiopoda: Inarticulata) in Subarnarekha Estuary, Odisha with Special Reference to Habitat and Population Bookreader Item Preview On the history of the names Lingula, anatina, and on the confusion of the forms assigned them among the Brachiopoda. Here we decode the 425-Mb genome of Lingula anatina to gain insights into brachiopod evolution. anatina has been targeted as an object of In this study, complete mitochondrial genome of the Lingula anatina (Lamark, 1801) from Korea has been sequenced and analysed, and compared with previous complete mitochondrial genome record from Japan. They have sexual reproduction . The evolutionary origins of lingulid brachiopods and their calcium phosphate shells have been obscure. Lingula é um género de braquiópode inarticulado de concha fosfatada. This biota is commonly known by several local names in Aceh, namely baree 舌形貝屬（學名： Lingula ）是舌形貝科下的一個屬，俗名海豆芽，模式種是鴨嘴海豆芽（ Lingula anatina ）。舌形貝屬動物早在寒武紀中期就已存在 [1] 。一些生物學家認為牠們是活化石，因為其外殼的形態從寒武紀至今變化不大。 The geographic population patterns of Lingula anatina across the Indo-West Pacific region are analyzed based on mitochondrial COI and nuclear EF-1α gene sequences. International Commission on Zoological Nomenclature Opinion 1355 (1985). 鸭嘴海豆芽（Lingula anatina）舌形贝，俗名海豆芽，是世界上已发现生物中历史最长的腕足类海洋生物，生活在温带和热带海域。无铰纲腕足类动物，外形呈壳舌形或长卵形。壳由壳多糖组成，壳壁脆薄，壳多糖和磷灰质交互成层。其肉茎粗大且长，能在海底黏洞穴居住，肉茎可以在洞穴里自由伸缩。 舌形貝屬（學名： Lingula ）是舌形貝科下的一個屬，俗名海豆芽，模式種是鴨嘴海豆芽（ Lingula anatina ）。 舌形貝屬動物早在寒武紀中期就已存在 [1] 。 舌形贝类是无铰小腕足类，壳由壳多糖组成。现生属(海豆芽属〔lingula〕)见于正常的海洋环境，但在不适于大多数生物生活的多泥、缺氧的半咸水中更为常见。小 舌形贝属 (lingulella)是寒武系的化石，外形和构造上都与现代海豆芽属类似。 Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. Two Scatter plot of total length and body weight of Lingula anatina at S-I, LTL during study period Figure-4. anatina was carried out in Lingula is a genus of brachiopods within the class Lingulata. anatina, its type species. C) View of circulating cells extracted from mantle blood vessels; round-shaped erythrocytes and elongated spindle body cells are visible. anatina was carried out in ^ a b Emig, Christian C. This species has an May 1, 2018 · A) photograph of an adult Lingula anatina specimen. The layers are composed of arrays of chitin PDF-1. Compared with the Lingula tinggal di liang di dasar laut tandus pesisir berpasir dan makan dengan menyaring detritus dari air. , 2001). Lingula. This species has an unequal sex Dec 1, 2009 · The shell of the phosphatic brachiopod Lingula anatina is laminated. 86 MB Lingula anatina 001. Es principalmente un género indo-pacífico que se cosecha para consumo humano en Japón y Australia. The Keywords: Aceh northern shore, Brachiopods, baree, lamp shells, Lingula anatina Introduction Lingula anatina Lamarck, 1801 is a species of the family Lingulidae phylum Brachiopoda which is a part of marine fauna in the Cambrian period (Ambarwati et al. anatina’ complex was sister to the clade including the May 1, 2015 · In the present report, a tripartite coelomic system is described for the first time in adult brachiopods, the linguliform Lingula anatina. Jun 1, 2017 · Among the species of Lingula, Lingula anatina is easily distinguishable because of its inner structures such as wide triangular ventral valve or dorsal valve with narrow internal central ridge (Biernat and Emig 1993). Sep 1, 2013 · Lingula anatina is one of brachiopods found in tropical regions, however, the reports on this species from South East Asia is currently limited. Identification Numbers. adamsi was sister to the clade of the remaining Lingula, composing of species with more or less greenish shells, and (3) within the latter, the ‘L. The method used in this research is purposive sampling. The whole body weight and weight of the Oct 7, 2024 · Lingula is probably derived from the Latin word for tongue "lingua" and a diminutive suffix -ula, so small tongue. Lingula anatina, a Precambrian brachiopod benthic macrofauna, inhabiting at the confluence of Subarnarekha estuary. anatina has been targeted as an object of The genus Lingula was created in 1791 by Jean Guillaume Bruguière. Comprehensive phylogenomic analyses place Lingula Sep 20, 2021 · Lingula anatina or baree as a living fossil has an important role for coastal ecosystems where its presence and density are rarely recorded in Aceh. Jun 30, 2015 · Lingula anatina is one of brachiopods found in tropical regions, however, the reports on this species from South East Asia is currently limited. It can be detected by a short row of three openings Nov 21, 2019 · The geographic population patterns of Lingula anatina across the Indo-West Pacific region are analyzed based on mitochondrial COI and nuclear EF-1 alpha gene sequences. Like adults of other brachiopods, L. In addition to a lophophoral and trunk coelom, L. Lingula anatina Lamarck, 1801 is the type species of Lingula Bruguiere, [1979] (Brachiopoda). El género Lingula (Bruguiere, 1797) es el género animal más antiguo conocido que todavía contiene especies existentes. 動物界 Animalia 兩側對稱動物亞界 Bilateria 原口動物下界 Protostomia 螺旋動物總門 Spiralia Dec 24, 2017 · A) photograph of an adult Lingula anatina specimen. 2 Measurement and weighing the lampshell The shell dimensions of lampshell, including length, height and thickness of the shells were measured using a caliper with 0. Lingula adamsi and L. anatina to breed well. Animalia: information (1) Animalia: pictures (22861) Species Lingula anatina. May 20, 2016 · The geographic population patterns of Lingula anatina across the Indo-West Pacific region are analyzed based on mitochondrial COI and nuclear EF-1α gene sequences. Lúc loài này vùi dưới cát, người ta có thể phát hiện chúng trên cát có một hàng ngắn gồm ba lỗ mà qua đó nó lấy nước vào (hai lỗ hai bên) và thải ra Apr 25, 2021 · Lingula anatina is a brachiopod widely distributed in the western Pacific region. jpeg 456 × 421; 50 KB Haeckel Spirobranchia. anatina has been targeted as an object of biological studies, the information about the genetic variation within species is still limited. Sep 18, 2015 · Scientists have decoded the first lingulid brachiopod genome, from Lingula anatina collected at Amami Island, Japan. anatina has been targeted for a number of biological studies, there is still limited information on intraspecific genetic variations of L. anatina is a common brachiopod in the western Pacific region, a few studies were performed to investigate genetic variations of this species. , 2021). shantungensis were extracted from GenBank, and actually the FIGURE 1—Sample localities of Lingula anatina analyzed in this study. It is a filter feeder that uses a lophophore to extract food from water. 1. The origin of the epithet anatina is not ミドリシャミセンガイ[学名：Lingula anatina Lamarck,1801]の写真付き図鑑。食べ方・旬・産地・加工品・特産品等の情報と解説も。貝とつくがあるが軟体類ではなく、触手動物門に属し、この仲間には他にチョウチンガイやホウズキチョウチンガイなどがある。 หอยปากเป็ด หรือ หอยราก หรือ หอยตะเกียง (ชื่อวิทยาศาสตร์: Lingula Lingula anatina, growth, length-weight relationship, condition factor 1. anatina was carried out in This virtual collection was last curated by Jonathan Hendricks on August 12, 2022. Probability paper analysis of the samples and constituent sub-samples confirmed that all the distributions had a hidden poly-modality resulting from a long but defined breeding season. , 1996). Oct 8, 2017 · Lingula anatina, the living inarticulate brachiopoda has been reported in the present paper from the intertidal belt of Subarnarekha estuary at the confluence of Bay of Bengal. However, the molecular control and evolutionary origins of dorsal Lingula anatina, the living inarticulate brachiopoda has been reported in the present paper from the intertidal belt of Subarnarekha estuary at the confluence of Bay of Bengal. [3] Apr 24, 2023 · (A–F) Hand specimens and trace fossils indicating the lifestyle of the Linguloidea: (A) epibenthic Neobolus wulongqingensis from the Cambrian Stage 4, Wulongqing formation, (B and C) infaunal Pseudolingula quadrata from the Middle Ordovician, and (D–F) infaunal modern Lingula anatine; anterior view of the infaunal Lingula Anatina showing Apr 22, 2015 · Adults of the brachiopod Lingula anatina (Lamark, 1801) are confined to brackish intertidal habitats, where they live in burrows in the sand. Kingdom Animalia animals. This good water quality condition strongly supports L. Jan 1, 2021 · Here, we describe in detail the shells of juveniles of Lingula anatina Lamarck, 1801 from Vietnam and the Republic of the Philippines. anatina, which was then studied by Cuvier (1802). May 28, 2024 · This repository contains an R script that was used to generate figures for our Lingula anatina genome paper. , 2000). The median-joining network and Automatic Barcode Gap Discovery (ABGD) analysis showed this Lingula anatina population from Probolinggo had relatives of 22 haplotypes and divided into six haplogroups. Populations of the lingulid, Lingula anatina, are widely distributed in the western Pacific (Williams et al. TSN: 156763. Lingula anatina Lamarck, 1801 Common oriental lamp shell Native range | All suitable habitat | Point map | Year 2050: This map was computer-generated and has not yet Nov 25, 2014 · Lingula anatina commonly known as "lamp shell" has been found to tolerate high salinities, which might be an indication of presence of some potential bioactive compounds. The preprint is currently available on BioRxiv: Lewin et al. anatina has a preoral coelom. The genus Lingula was created in 1791 (not 1797) by BRUGUIÈRE and in 1801 LAMARCK named the first species L. This study, therefore, aims to identify the Oct 1, 2017 · Lingula anatina or baree as a living fossil has an important role for coastal ecosystems where its presence and density are rarely recorded in Aceh. (a) Lining formed by myoepithelial cells. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). 日本における代表種、ミドリシャミセンガイ（L. anatina specimens were collected from Korea and Vietnam, and complete mitochondrial genome (mitogenome) sequences were analyzed and Jan 1, 2023 · Metal levels in Marcia opima and Lingula anatina were lower than the standards recommended by World Health Organization (WHO) (2017), Ministry of Public Health, Thailand, the National Health and Medical Research Council of Australia, the Ministry of Agriculture, Fisheries and Food of United Kingdom, and the Provisional Tolerable Daily Intake Лингула (лат. Lingula anatina Lamarck, 1801. , 1994, Merkel et al. 2024. Dec 1, 2015 · Populations of the lingulid, Lingula anatina, are widely distributed in the western Pacific (Williams et al. Lingula anatina (Lamarck, 1801) –local people called Gia Bien - is one of Nov 1, 2021 · The geographic population patterns of Lingula anatina across the Indo-West Pacific region are analyzed based on mitochondrial COI and nuclear EF-1 alpha gene sequences. Lingula anatina Name Synonyms Lingula affinis Hancock, 1858 Lingula hirundo Reeve, 1859 Lingula lepidula Adams, 1863 Lingula murphiana Reeve, 1859 Lingula nipponica Hayasaka, 1931 Lingula smaragdina Adams, 1863 Lingula unguis (Linnaeus, 1758) Lingula waikatoensis Penseler, 1930 Homonyms Lingula anatina Lamarck, 1801 Lingula anatina Lamarck, 1801 Vernacular names [edit] English: Lamp shell සිංහල: ලාම්පු May 30, 1991 · Lingula anatina from Cebu Island, the Philippines, is capable of reburrowing in silty sand (the native sediment) at all growth stages, including adults exceeding 50 mm in shell length. Di Thailand, ada perikanan terbatas Lingula anatina, di mana ia dikenal sebagai hoi pak ped. The following previously unknown properties of the lingulide shell are described: (1) a distinct border between the protegulum and the brephic shell; (2) drapes that develop on both the protegulum and brephic May 30, 1991 · Lingula anatina from Cebu Island, the Philippines, is capable of reburrowing in silty sand (the native sediment) at all growth stages, including adults exceeding 50 mm in shell length. "Brachiopod genome unveils the evolution of the BMP–Chordin network in bilaterian body patterning" BioRxiv. anatina, one of which is from Qinhuangdao (Hebei Sep 6, 2023 · This research was conducted from April to December 2021, at the Aceh northern shore. Here we present a detailed overview of the molecular components of the immune system identified in the genome of the brachiopod Lingula anatina. Одни из древнейших плеченогих, доживших до наших дней. In Thailandia, dove è nota come hoi pak ped, la pesca della L. Compared Mar 5, 2021 · Protegula of Lingula anatina (scanning electron microscopy). - Carnets de Géologie / Notebooks on Geology, Brest, Article 2008/08 (CG2008_A08) Résumé : De l'origine historique des noms lingule, Lingula, anatina, et de la confusion des formes chez les Brachiopodes. Alternatively it may be derived from the Latin word for spoon (Lingula) directly. In this study, L. A, GIT 587/76, unetched umbonal region of the ventral valve with protegulum and brephic shell. Compared with the 舌形贝属（学名： Lingula ）是舌形贝科下的一个属，俗名海豆芽，模式种是鸭嘴海豆芽（ Lingula anatina ）。舌形贝属动物早在寒武纪中期就已存在 [1] 。一些生物学家认为它们是活化石，因为其外壳的形态从寒武纪至今变化不大。 冲绳科学技术研究院大学(OIST)、名古屋大学和东京大学的科学家们首次破解了“活化石”海豆芽（Lingula anatina）的基因组。他们分析了海豆芽基因组的三万四千多个基因，发现海豆芽的基因组一直在积极的进化，并不能称为活化石。 Lingula sinh sống trong hang ở đáy biển ven biển có các bãi cát và kiếm ăn bằng cách lọc mảnh vụn từ nước biển. Furthermore, the population belonged to the same . Although L. [3] the pH obtained was 7. anatina has been targeted for a number of biological studies, there is still limited information on Apr 25, 2021 · Simple Summary. Order LingulidaFamily Lingulidae Brachiopod: Lingula anatina (PRI 76882 Feb 27, 2019 · Lingula anatina is a brachiopod widely distributed in the western Pacific region. - Original date is not 1797 as generally stated (see Rowell, 1964) until the Treatise (2000)! Searching for the etymology of the genus name Lingula, I discovered that several Bruguière's publications have been issue at different years, but the first is the best: 1791. They are also among the most morphologically conservative of the brachiopods, having lasted from their earliest appearance to the present with very little change in shape. Interactions between BMP ligands and their main antagonist, Chordin, establish BMP gradients, subdivide embryos into distinct territories and organise body plans. The first descriptions of Lingula were made from then extant specimens by three famous French scientists: Bruguière, Cuvier, and Lamarck. A new article presents the results of their analysis of over 34,000 genes Lingula lingua suppressed for Principle of Priority, not Principle of Homonymy. In 1801 Jean-Baptiste Lamarck described L. Lingula anatina is one of the brachiopods recognized as one of the most primitive groups with a fossil record from the early Cambrian period. Species Lingula parva. Lingula anatina has been attracted researchers because its morphological characteristics show limited changes compared to the ancestor. Figure-5. B) Schematic illustration showing the internal anatomy of the animal, with the dorsal shell removed. ] класса лингулят. Scatter plot of total length and body weight of Lingula anatina at S-II, LTL during study period. anatina has been targeted for a number of biological studies, there is still limited information on 我国沿海常见的鸭嘴海豆芽(Lingula anatina)，这种生物被人们食用或者药用，也会被人们采集制作为标本。 《中国中学教学百科全书·生物卷》称之为：“柄的末端能分泌粘液，用以固着泥沙中，采集时勿折断，否则，即非完整标本。穴居潮间带泥沙滩中，当受到 Lingula anatina Lamarck, 1801 [1] è una specie di Brachiopodi appartenente alla famiglia Lingulidae. Geography. für "kleine Zunge") ist eine Gattung der Armfüßer (Brachiopoda). 1 mm accuracy. (b) Lining composed of muscle cells and podocyte-like anatina and L. 4). It lives in burrows in sandy seafloor and feeds by filtering detritus from the water. Proposal submitted to use Lingula anatina as the species name over Lingula unguis, as the latter had been originally described by Linnaeus (1758) (as Patella unguis) from a mixture of specimens comprising gastropod mollusk and brachiopod, with the name 'unguis' being retained for the mollusk. The genus Lingula was created in 1791 (not 1797) by Bruguière and in 1801 Lamarck named the first species L. Table 1. Lingula or forms very close in appearance have existed possibly since the Cambrian. 2. Dec 1, 2015 · Among brachiopods, the subphylum Linguliformea has been recognized as one of the most primitive groups, with fossils dating back to the early Cambrian (Williams et al. anatina è controllata [3]. Size-frequency data collected in large samples from five populations of Lingula anatina from North Queensland intertidal sandflats conformed to previously known brachiopod size-frequency distribution 舌形贝（Lingula），俗名海豆芽，是世界上已发现生物中生存历史最长的一个属，是著名的“活化石”，生活在温带和热带海域。无铰纲腕足类动物，外形呈壳舌形或长卵形。壳由壳多糖组成，壳壁脆薄，壳多糖和磷灰质交互成层。 Lingula anatina (Lamp Shell) is a species of lamp shells in the family Lingulidae. They obtained their essential fatty acids (EFAs) of phospholipid groups, needed for their different physiological activities. 0 International License. Compared with the remarkable morphological stasis, genetic evidence of extant Lingula species displays deep genetic divergence. Individuals can grow to 49 mm. However, in contrast to the “living fossil” concept, high heterogeneity of Cox1 amino acid sequences has been observed, indicating rapid mitochondrial evolution (Endo et al. anatina. Jun 1, 2000 · At higher latitudes (Kunsan, South Korea; 36°N), Park et al. Species Lingula reevei. b a c d e g I h f 0 5 10 15 20 0 2 May 1, 2018 · As a result, the genome-based study of the immune system in brachiopods allows a better understanding of the alternative survival strategies developed by these immunologically neglected phyla. Aug 1, 2023 · Lingula anatina or baree as a living fossil has an important role for coastal ecosystems where its presence and density are rarely recorded in Aceh. Introduction Brachiopod, genus Lingula is a member of family Lingulidae and phylum Brachiopoda which is widely geographically distributed in Pacific and Indian, Atlantic oceans close to the west [1]. The main tissues are indicated. FMIB 48831 Muscle-scars of Lingula anatina Inner survace of A, Pedicle-valve or ventral valve B, Brachial or dorsal valve. 5 %âãÏÓ 56 0 obj > endobj 144 0 obj >/Filter /FlateDecode/ID [(M"!u\310\256\337\006\335\265\365\330\377E\022Z) (\341+\264\f-\260 As a result, the genome-based study of the immune system in brachiopods allows a better understanding of the alternative survival strategies developed by these immunologically neglected phyla. The first descriptions of Lingula were made from then extant specimens by three famous French scientists: BRUGUIÈRE, CUVIER, and LAMARCK. [2] L. The Jul 28, 2023 · Lingula anatina is one of the brachiopods recognized as one of the most primitive groups with a fossil record from the early Cambrian period. Even though L. Lingula dapat dideteksi oleh deretan pendek tiga bukaan di mana dibutuhkan dalam air (sisi) dan mengusir lagi (tengah). Lingula) — род плеченогих из отряда лингулид [швед. , 2007). A concha é achatada e biconvexa, com bordos laterais paralelos. The long pedicle facilitates burrowing; extant Lingula is typically found burrowed in soft muddy sediments with only the valve edges protruding Habitat( 1 ): Lives in vertical burrows in soft substrates, generally close to the shore Lingula anatina is one of the brachiopods recognized as one of the most primitive groups with a fossil record from the early Cambrian period. (2004) found an average annual density of Lingula anatina of 277 individuals/m 2 , with a range from 27-687 individuals/m 2 . Each model is licensed under a Creative Commons Attribution-ShareAlike 4. jpg 2,373 × 3,312; 1. Die Tiere leben in selbstgegrabenen Röhren im sandigen Schlamm an den Ufern tropischer und subtropischer Meere. Lingula anatina is a brachiopod species that burrows in the sand of brackish intertidal habitats. Black According to the results, the Lingula species found in Probolinggo Indonesia was Lingula anatina. adamsi (Fig. This study, therefore, aims to identify the Lingulata is a class of brachiopods, among the oldest of all brachiopods having existed since the Cambrian period (). Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for Sep 18, 2015 · The evolutionary origins of lingulid brachiopods and their calcium phosphate shells have been obscure. Lingula anatina. Three distinct COI lineages were detected for L. The mitogenome is 25,790 bp and composed May 3, 2017 · FIG URE 5 Lingula anatina, ultrastructure of the lining of the large canal of the lophophore. General Shell Structure of Lingula anatina, Discinisca laevis, and Discradisca stella [8] A strongly layered shell structure is the overall architectural feature of the shell of the investigated modern brachiopod species of the species Lingula anatina, Discinisca laevis and Discradisca stella. png 141 × 510; 195 KB Size-frequency data collected in large samples from five populations of Lingula anatina from North Queensland intertidal sandflats conformed to previously known brachiopod size-frequency distributions. [ 1 ] É um animal marinho bentónico que vive enterrado nos substratos arenosos e móveis. Lingula (lat. Like its relatives, it has two unadorned organo-phosphatic valves and a long fleshy stalk. Oct 1, 2022 · Our four-gene analyses resolved the phylogenetic relationship among the extant lingulids well: (1) Lingula was sister to Glottidia, (2) L. Lingula anatina is a species of brachiopod with two unadorned valves and a long stalk. The lophophore is a specialized part of 여기를 가리키는 문서; 가리키는 글의 최근 바뀜; 파일 올리기; 고유 링크; 문서 정보; 이 문서 인용하기; 축약된 url 얻기 Apr 24, 2007 · 3. Unless otherwise indicated, each model was created by Emily Hauf using specimens at the Paleontological Research Institution, Ithaca, New York. The genus Lingula They are also a valuable tool to measure inputs, cycling of materials in estuarine- mangrove food webs. Comprehensive phylogenomic analyses place Lingula close to molluscs, but distant from annelids. The protegulum–brephic shell boundary is indicated by concave arrows; the anterior border of the brephic shell is indicated by arrows. The protocoel is located at the base of the epistome and has its own lining, which consists of non-muscular monociliated Sep 3, 2023 · The results showed that based on the morphological characteristics, only one species of brachiopods from the class Lingulata was found, namely Lingula anatina Lamarck, 1801. Lingula lives in burrows in barren sandy coastal seafloor and feeds by filtering detritus from the water. The density of L. In addition, individuals up to 25 mm in shell length are capable of reburrowing in sediments ranging from silt to coral gravel. anatina, which was then studied by CUVIER (1802). anatina adults are suspension feeders that extract food from the surrounding water using a structure known as the lophophore. However, in contrast to the “living fossil Apr 1, 2017 · Lingula anatina is a brachiopod widely distributed in the western Pacific region. Density of L. anatina Site Density of Lingula anatina (ind/m2) Ujong Pancu Kuala Cangkoi Syiah Kuala Alue Naga 1 1,12 0 1 4,33 2 1,22 7,33 1,88 1,22 . George Shaw describe Mytilus rostrum in 1798, but this species was later assigned to Lingula. , Sobre la historia de los nombres Lingula, anatina, y sobre la confusión de las formas asignadas entre los braquiópodos ( PDF), en Carnets de Géologie [Cuadernos de geología, agosto de 2008. The results showed that based on the morphological characteristics, only one species of brachiopods from the class Lingulata was found, namely Lingula anatina Lamarck, 1801. anatina）は岡山県 児島湾や有明海で食用とされる。 有明海ではメカジャ（女冠者）と呼ばれ、 福岡県 柳川市 や 佐賀県 佐賀市 周辺でよく食用にされる。 Lingula. 鸭嘴海豆芽（Lingula anatina）（图片来自wikimedia，Emoke Denes） “活化石”是指起源久远，延续上千万年，经历自然地质、气候巨变而幸存至今的物种。这些生物基本保留了其远古祖先的原始形状，在生物演化研究、古生物学研究等方面有重要的科研价值。 Jun 2, 2024 · Bone morphogenetic protein (BMP) signalling is crucial in regulating dorsal–ventral patterning and cell fate determination during early development in bilaterians. cpntq mjpzcn cxoez uomg cekut hjhefj kiqr ivfy pfnx pklec uzwtd vztyx mygdz ecgr qvczasm
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