Web暨南大学,数字图书馆. 开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 WebApr 3, 2010 · Body elongated and eel-like with prominent keels on abdomen; anal fin larger than dorsal fin. 3-cusped teeth in upper and lower jaws. Benthic on the outer continental and insular shelves and upper slopes, at depths usually between 120 and 1280 m, but occasionally taken at the surface. Rare, little known deep-water sharks.

Chlamydoselachidae Chondrichthyes Wiki Fandom

WebChlamydoselachus africana is a Sibling Species of the Frilled Shark. The Southern African frilled shark (Chlamydoselachus africana) is a look-alike species of the frilled shark (Chlamydoselachus anguineus) with many similarities. But in 2009, it was classified its own species because of few differences in size, body, and snout proportions. Web目前皱鳃鲨属Chlamydoselachus之下的现存种仅有皱鳃鲨，和2009年在南非近海确认到的南非皱鳃鲨C. africana两种。 皱鳃鲨的中文名来自其呈现褶皱并互相覆盖的 六对鳃裂 ，比一般鲨鱼多一对，鳃裂虽如现代常见鲨鱼一样分布在左右两侧，但位置更贴近下方，和 三叉 ... cir ortofoto

Leonard Compagno - Wikispecies - Wikimedia

WebUn fòssil vivent, el Triops australiensis. Els nàutils són els únics membres vivents de la subclasse dels nautiloïdeus i existeixen des de fa 500 milions d'anys. Fòssil vivent és una expressió emprada per a classificar espècies no extintes que són extremadament semblants a espècies identificades mitjançant fòssils . WebChlamydoselachus anguineus was reported first in 1879 whereas the other species of frilled shark Chlamydoselachus africana has recently been seen in 2009 in South Africa, ... data suggests that only one out of the two species of Chlamydoselachus anguineus is left living in the ocean. As frilled sharks mostly reside at the floor of the ocean ... WebChlamydoselachus africana, a new species of frilled shark from southern Africa (Chondrichthyes, Hexanchiformes, Chlamydoselachidae) DAVID A. EBERT 1 & … diamond painting chaton