First occurrence of a mawsoniid (Sarcopterygii: Actinistia), Mawsonia soba sp nov., in pre-Aptian Cretaceous deposits from Cameroon

被引：6
|
作者：
Brito, Paulo M. [1 ]
Cupello, Camila [1 ]
Yabumoto, Yoshitaka [2 ]
Hell, Joseph V. [3 ]
Brunet, Michel [4 ,5 ]
Otero, Olga [4 ]
机构：
[1] Univ Estado Rio de Janeiro, Dept Zool, Rua Sao Francisco Xavier, Rio De Janeiro, Brazil
[2] Kitakyushu Museum Nat Hist & Human Hist, Dept Nat Hist, Yahatahigashi Ku, 2-4-1 Higashida, Kitakyushu, Fukuoka 8050071, Japan
[3] Inst Rech Geol & Minieres Cameroun, BP 4140, Yaounde, Cameroon
[4] Univ Poitiers, Lab Paleontol Poitiers, UMR 7262, Bat B35,TSA51106, Poitiers, France
[5] Coll France, Chaire Paleontol Humaine, Rue Ecoles, Paris, France
来源：
CRETACEOUS RESEARCH | 2018年 / 86卷
关键词：
Coelacanth; Mawsonia; Babouri Figuil Basin; Western Gondwana; Lower Cretaceous; COELACANTH; REMAINS; BRAZIL; BASIN;
D O I：
10.1016/j.cretres.2017.12.014
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Coelacanth remains from the Lower Cretaceous (pre-Aptian) freshwater deposits of the Babouri Figuil Basin, Northern Cameroon are described as a new taxon Mawsonia soba sp. nov. based on two characters: four openings in the dentary for the branch of the trigeminal nerves and an extremely rugose and disorganized ornamentation of the bones. M. soba sp. nov. known by some three-dimensionally partially preserved specimens represents the first actinistian described from Cameroon. This discovery attests the presence of Mawsonia in the African counterpart of the continental pre-rift and rift environments where only Brazilian members were known so far. The fact that the Cameroonian coelacanth belongs to a new species suggest a certain endemism at least in this African basin. (C) 2017 Elsevier Ltd. All rights reserved.
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收藏
页码：91 / 96
页数：6
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