加勒比海的瓜德罗氏加勒比石虫(软体动物:多placophora)

IF 0.8 4区生物学 Q3 ZOOLOGY

Molluscan Research Pub Date : 2021-06-27 DOI:10.1080/13235818.2021.1941726

B. Sirenko, B. Anseeuw

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引用次数: 0

摘要

摘要本文报道了加勒比海瓜德罗普岛深水区Callistoplacidae科一新属和新种。guadeloupensis n. gen. et n. sp.加勒比石壳(Caribbochiton guadeloupensis n. gen. et n. sp.)不同于扇壳科(Callistoplacidae)的其他属:它在端瓣或中间瓣的侧面没有肋。根据其他形态特征(厚壳，相对狭窄的瓣，明显凸起的侧面，类似的狭缝，狭缝边缘加厚的插入板齿，背部鳞片)，该属与Callistoplacidae最接近。考虑到这个科的许多物种在年轻时没有后来出现的肋骨，我们假设这个新属可能是幼体发育的结果。现提出一种修正的Callistoplacidae科的诊断。ZooBank注册:LSIDurn:lsid:zoobank.org:pub:BB94DD8F-C466-4B1B-8868-EEAB75E6930B Carribochiton LSIDurn:lsid:zoobank.org:act:EBD4411B-C39D-446C-AD24-EB5F3A27AB32 Carribochiton guadeloupensis LSIDurn:lsid:zoobank.org:act:19B8AF77-2AB8-4BD1-940A-CA4EAFFCF215

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Caribbochiton guadeloupensis n. gen et n. sp. (Mollusca: Polyplacophora) from the Caribbean Sea

ABSTRACT A new genus and new species of the family Callistoplacidae from the bathyal zone near Guadeloupe Island in the Caribbean Sea are described. Caribbochiton guadeloupensis n. gen. et n. sp. is unlike other genera in the family Callistoplacidae: it has no ribs on end valves or on lateral areas of intermediate valves. According to other morphological features (thick shell, relatively narrow valves, noticeably raised lateral areas, similar slit formula, insertion plate teeth thickened at edges of slits, dorsal scales), this genus is closest to the family Callistoplacidae. Given that a number of species of the family do not have at a young age the ribs which appear later, we hypothesise that the new genus could have evolved as a result of paedomorphosis. An emended diagnosis of the family Callistoplacidae is hereby proposed. ZooBank registration: LSIDurn:lsid:zoobank.org:pub:BB94DD8F-C466-4B1B-8868-EEAB75E6930B Carribochiton LSIDurn:lsid:zoobank.org:act:EBD4411B-C39D-446C-AD24-EB5F3A27AB32 Carribochiton guadeloupensis LSIDurn:lsid:zoobank.org:act:19B8AF77-2AB8-4BD1-940A-CA4EAFFCF215

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来源期刊

Molluscan Research 生物-动物学

CiteScore

1.80

自引率

10.00%

发文量

审稿时长

>12 weeks

期刊介绍： Molluscan Research is an international journal for the publication of authoritative papers and review articles on all aspects of molluscan research, including biology, systematics, morphology, physiology, ecology, conservation, biogeography, genetics, molecular biology and palaeontology. While the scope of the journal is worldwide, there is emphasis on studies relating to Australasia and the Indo-west Pacific, including East and South East Asia. The journal’s scope includes revisionary papers, monographs, reviews, theoretical papers and briefer communications. Monographic studies of up to 73 printed pages may also be considered. The journal has been published since 1957 (as the Journal of the Malacological Society of Australia until 1993). It is free to members of the Malacological Society of Australasia and the Society for the Study of Molluscan Diversity.