Potrerilloxyela menendezi gen. et sp nov from the Late Triassic of Argentina: The oldest representative of Xyelidae (Hymenoptera: Symphyta) for Americas

被引：36
作者：
Lara, M. B. [1 ]
Rasnitsyn, A. P. [2 ,3 ]
Zavattieri, A. M. [4 ]
机构：
[1] Univ Nacl Nordeste, Fac Ciencias Exactas & Nat & Agrimensura, Area Paleontol Ctr Ecol Aplicada Litoral CONICET, RA-3400 Corrientes, Argentina
[2] Paleontol Inst, Moscow 117997, Russia
[3] Nat Hist Museum, London SW7 5BD, England
[4] Consejo Nacl Invest Cient & Tecn, Ctr Cient & Tecnol, Inst Argentino Nivol Glaciol & Ciencias Ambiental, Lab Paleopalinol, RA-5500 Mendoza, Argentina
来源：
PALEONTOLOGICAL JOURNAL | 2014年 / 48卷 / 02期
关键词：
Insecta; Hymenoptera; Xyelidae; Upper Triassic; Potrerillos Formation; Cuyo Basin; Argentina; SOUTH-AMERICA; MENDOZA PROVINCE; CRANE-FLIES; INSECTA; VESPIDA; BASIN; FAUNA;
D O I：
10.1134/S0031030114020075
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
Potrerilloxyela menendezi gen. et sp. nov. from the Potrerillos Formation, Cuyo Basin, early Upper Triassic, Mendoza Province, Argentina is described. It is included in the living family Xyelidae and tentatively placed in Liadoxyelini of Xyelinae, which is otherwise known only from the Jurassic of Asia. This record is the first for Hymenoptera in the Triassic of the New World and provides new evidence about the close faunal connections between Laurasia and Gondwana during Mesozoic times. The phylogenetic position of the new genus is discussed.
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页码：182 / 190
页数：9
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