Abrytasites
| Abrytasites Temporal range: Hauterivian- Barremian
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| Abrytasites neumayri Haug, 1889 | |
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| Phylum: | Mollusca
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| Genus: | Abrytasites Nikolov & Breskovski, 1969
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Abrytasites (Abrytusites) is an extinct genus of cephalopods belonging to the Ammonoidea subclass.[1] 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.[2][3] 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.[4] This animal lived 125–136.4 million years ago during the Hauterivian and the Barremian in Europe and western Africa.
See also[]
References[]
- ^ Nikolov, T. et Breskovski, St.(1969); "Abrytusites - nouveau genre d'ammonite barrémiennes" Bull of the Geological Institute, Ser. Paleontology, Bulgarian Academy of Sciences XVIII (Feb.): 91-6.
- ^ Haug, E. (1889); "Beitrag zur Kenntnis der Oberneocomen Ammonitenfauna der Puezalpe bei Corvara (Süd Tirol)" Beiträge zur Paläontologie Osterreich-Ungarns und des Orients VII, 3.
- ^ Vašíček, Zdeněk (2002); "Lower Cretaceous Ammonoidea in the Podbranč quarry (Pieniny Klippen Belt, Slovakia)" Bulletin of the Czech Geological Survey, Vol. 77, No. 3, 187–200.
- ^ Wright, C. W. with Callomon, J.H. and Howarth, M.K. (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.
External links[]
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Wikispecies has information related to Abrytasites. |
- Abrytasites[permanent dead link] at the Paleobiology database, 6 April 2012.
- Abrytusites at ZipcodeZoo, 19 April 2012
- Abrytusites at Sepkoski's Online Genus Database, 21 April 2012.
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Categories:
- Early Cretaceous ammonites of Europe
- Ammonitida genera
- Desmoceratidae
- Hauterivian first appearances
- Early Cretaceous genus extinctions
- Ammonitina stubs