A new early miocene species of Ophiocrossota (Ophiuroidea) from southern patagonia, Argentina

被引：8
|
作者：
Caviglia, Sergio E.
Martinez, Sergio
del Rio, Claudia J.
机构：
[1] Inst Nacl Asuntos Indigenas, Buenos Aires CI1004AI, DF, Argentina
[2] Fac Ciencias, Dipartimento Evoluc Montevideo, Montevideo 11400, Uruguay
[3] Consejo Nacl Invest Cient & Tecn, Buenos Aires C1405DJR, DF, Argentina
来源：
NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN | 2007年 / 245卷 / 02期
关键词：
ophiocrossota kollembergorum; ophiuroidea; miocene; chenque formation; Argentina;
D O I：
10.1127/0077-7749/2007/0245-0147
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
The first South American species of Ophiocrossota CLARK, 1928, O. kollembergorum n. sp., is described, extending the known geographical range of the genus to Argentina. The new species is characterized by its large radial shields, proximally in contact within, but separated distally by the triangular plates, and by its large and elongate oral shields, that cover most of the interradial area.
引用
收藏
页码：147 / 152
页数：6
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