The annelid polychaete Rotularia spirulaea Lamarck, 1818 from the early Middle Eocene (middle-late Cuisian) of Çankırı Basin (Central Anatolia, Turkey)

Öz

The annelid of the genus Rotularia is a common element of Jurassic to Early Tertiary shallow-water marine faunas but few studies have been conducted on its palaeoecologic and stratigraphic significance. The polychaete Rotularia spirulaea Lamarck, 1818, from the middle-late Cuisian Yoncalı formation of the Çankırı Basin, Central Anatolia is here described and its mode of life and palaeobiogeographic distribution are discussed. This is the first polychaete annelids species Rotularia spirulaea Lamarck, 1818 discovered in Turkey, Rotularia spirulaea Lamarck is a stratigraphically and geographically widely distributed species. 

Anahtar Kelimeler

• Annelid
• Cuisian
• Çankırı Basin
• polychaete fossils

Çankırı Havzası’nda (Orta Anadolu, Türkiye) erken Orta Eosen (orta-geç Küviziyen) annelid polychaete Rotularia spirulaea Lamarck, 1818

Öz

Stratigrafik ve paleoekolojik açıdan üzerinde ender olarak durulan annelid cinsi Rotularia, Jura’dan Erken Tersiyer’e kadar sığ su denizel ortamlarda bulunur. Orta Anadolu’da Çankırı Havzası’ndaki Yoncalı formasyonunda orta-geç Küviziyen’de polychaete Rotularia spirulaea Lamarck, 1818, tanımlanmış, yaşam şekli ve paleobiyocoğrafik yayılımları da tartışılmıştır. Paleocoğrafik olarak, geniş stratigrafik ve coğrafik yayılıma sahip olan Rotularia spirulaea Lamarck, 1818, polychaete annelid türü Türkiye’de ilk defa bulunmuştur

Anahtar Kelimeler

• Annelid
• Küviziyen
• Çankırı Havzası
• polychaete fosiller

Kaynakça

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