New Lower Permian gastropods from the Mojbn de Hierro Formation, Chubut Province, Argentina

被引：0
|
作者：
Pinilla, Karina [1 ]
Sabattini, Nora [1 ]
Hlebszevitsch, Julio [1 ]
机构：
[1] Museo Ciencias Nat La Plata, Div Paleozool Invertebrados, RA-1900 La Plata, Argentina
来源：
AMEGHINIANA | 2007年 / 44卷 / 02期
关键词：
Argentina; Chubut Province; Tepuel-Genoa Basin; permian; systematics; gastropoda;
D O I：
暂无
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
NEW LOWER PERMIAN GASTROPODS FROM THE MOJON DE HIERRO FORMATION, CHUBUT PROVINCE, ARGENTINA. New gastropods from the Lower Permian (Euphemites chubutensis-Palaeoneilo aff. concentrica Zone) of the Tepuel-Genoa Basin are described. The material was recovered from the Mojon de Hierro Formation, at the Quebrada Honda and El Molle localities. The genus Borestus Thomas (Pleuroto-marioidea) is reported for the first time in Argentina with the new species Borestus lunatus. In addition, Sinuitina (Spirilira) tenuis nov. subgen. nov. sp. (Bellerophontoidea) is proposed. The new subgenus is characterized by spiral ornamentation, subcordate whorls in section, and a reduced collabral ornamentation on outer flanks and dorsum.
引用
收藏
页码：399 / 405
页数：7
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