New genus and species of Anablepidae (Teleostei, Cyprinodontiformes) from the Late Miocene of Argentina

被引：9

作者：

Bogan, Sergio ^{[1
]}

Contreras, Victor H. ^{[2
,3
]}

Agnolin, Federico ^{[1
,4
]}

Tomassini, Rodrigo L. ^{[5
]}

Peralta, Silvio ^{[2
,3
]}

机构：

[1] Univ Maimonides, Dept Ciencias Nat & Antropol, Fdn Hist Nat Felix de Azara, Hidalgo 775 Piso 7,C1405BDB, Buenos Aires, DF, Argentina

[2] Univ Nacl San Juan, Fac Ciencias Exactas Fis & Nat, Dept Geol, Inst Geol Emiliano P Aparicio, Avda Ignacio de la Roza & Meglioli, RA-5400 Rivadavia, San Juan, Argentina

[3] Univ Nacl San Juan, Fac Ciencias Exactas Fis & Nat, Dept Geol, Catedra Paleontol, Avda Ignacio de la Roza & Meglioli, RA-5400 Rivadavia, San Juan, Argentina

[4] Museo Argentino Ciencias Nat Bernardino Rivadavia, Lab Anat Comparada & Evoluc Vertebrados, Av Angel Gallardo 470,C1405DJR, Buenos Aires, DF, Argentina

[5] Univ Nacl Sur, Dept Geol, INGEOSUR CONICET, San Juan 670, RA-8000 Bahia Blanca, Buenos Aires, Argentina

来源：

JOURNAL OF SOUTH AMERICAN EARTH SCIENCES | 2018年 / 88卷

关键词：

Anablepid; Sanjuanableps calingasta; Phylogeny; Miocene; Argentina; FISH TAPHONOMY;

D O I：

10.1016/j.jsames.2018.09.009

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A new anablepid (Cyprinodontiformes) from the Late Miocene of Puchuzum locality, San Juan Province, Argentina is described here. The collected specimens include male and female individuals showing marked sexual dimorphism and represented different ontogenetic stages. The fossils show a unique combination of characters reveals a new genus and species, Sanjuanableps calingasta. The phylogenetic analysis allowed to identify a monophyletic Glade including Anableps, Tucmanableps and Sanjuanableps, which constitutes the sister group of other anablepids. During the Late Miocene, Sanjuanableps possibly formed monospecific shoals in shallow ponds of salty water in semiarid environments.

引用

页码：374 / 384

页数：11

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