New ancyloceratidae (Ammonoidea) from the Aptian of the Ulyanovsk region,Middle Volga |
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| Authors: | I M Stenshin I A Shumilkin G N Uspensky |
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| Institution: | 1. I.A. Goncharov Ulyanovsk Regional Natural History Museum, bul’v. Novyi Venets 3, Ulyanovsk, 432017, Russia
2. Ulyanovsk State University, ul. L’va Tolstogo 42, Ulyanovsk, 432017, Russia
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| Abstract: | A new genus Pseudoancyloceras gen. nov. with the type species P. calinovense sp. nov. and five new species of Ancyloceratidae (Australiceras (Proaustraliceras) elegans sp. nov., Audouliceras vyrystaykense sp. nov., A. brusyankense sp. nov., A. mordovense sp. nov., Tropaeum (Tropaeum) elaurkense sp. nov.) are described from the Aptian of the Ulyanovsk region, Middle Volga. |
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