Biology:Abrytasites

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Short description: Genus of molluscs (fossil)

Abrytasites
Temporal range: Hauterivian–Barremian
Hauterivian- Barremian
Abrytasites neumayri 1889.JPG
Abrytasites neumayri Haug, 1889
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Desmoceratidae
Subfamily: Puzosiinae
Genus: Abrytasites
Nikolov & Breskovski, 1969
Abrytusites julianyi (Honnorat-Bastide), Upper Hauterivian, Palilula, Bulgaria, (Coll. G. Mandov) at the Sofia University Museum of Paleontology and Historical Geology

Abrytasites (Abrytusites) is an extinct genus of cephalopods belonging to the Ammonoidea subclass.[1]

Description

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

  1. 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.
  2. 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.
  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.
  4. 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 al. eds.), Boulder, Colorado: The Geological Society of America & Lawrence, Kansas: University of Kansas Press, at 72.

External links

Wikidata ☰ Q2821985 entry