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Abrytasites
''Abrytasites'' (''Abrytusites'') is an extinct genus of cephalopod belonging to the Ammonoidea subclass.〔 et (1969); "Abrytusites - nouveau genre d'ammonite barrémiennes" ''Bull of the Geological Institute, Ser. Paleontology, Bulgarian Academy of Sciences'' XVIII (Feb.): 91-6.〕 The genus was named after the ancient Roman town of Abrittus, located near the present Bulgarian city of Razgrad. There are several described species of ''Abrytasites'', including A. ''thieuloyi'', A. ''julianyi'', and A. ''neumayri''.〔 (1889); "Beitrag zur Kenntnis der Oberneocomen Ammonitenfauna der Puezalpe bei Corvara (Süd Tirol)" ''Beiträge zur Paläontologie Osterreich-Ungarns und des Orients'' VII, 3.〕〔( (2002); "Lower Cretaceous Ammonoidea in the Podbranč quarry (Pieniny Klippen Belt, Slovakia)" ''Bulletin of the Czech Geological Survey'', Vol. 77, No. 3, 187–200. )〕 They are inflated, with constrictions, have rather thick ribs springing irregularly, singly or in pairs, from umbilical bullae. Their inner whorls closely resemble types species of ''Valdedorsella''.〔 with and (1996), ''Mollusca 4 Revised , Cretaceous Ammonoidea'', vol. 4, in ''Treatise on Invertebrate Paleontology'', Part L (Roger L. Kaesler et el. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, at 72.〕 This animal lived 125-136.4 million years ago during the Hauterivian and the Barremian in Europe and western Africa.
== References ==
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