Davanella Okuyucu & Akbaş, 2026, gen. nov.

Abstract

Genus Davanella gen. nov. urn:lsid:zoobank.org:act: 6D884B23-E7D2-425E-A527-7C53DAEFC6E1 Type species Davanella ankaraensis gen. et sp. nov. Etymology After the Dava spring in Kutludüğün Yayla, southeast of Kutludüğün village, Ankara City, Central Türkiye. Description Test free, involute, very large and globular to ovoid. Proloculus spherical followed by a tubular undivided chamber. First whorls numerous tightly streptospiral and adult whorls planispiral with depressed umbilicus on both sides. Flosculinisation well developed. Thick porcelaneous wall often neosparitized with perforations (comb teeth-shaped). Aperture simple, terminal. Comparison Davanella gen. nov. differs from the similar genus Rectogordiopsis gen. nov. by the depressed umbilicus on both sides of the test. Included species Davanella ankaraensis gen. et sp. nov., Davanella acuminata gen. et sp. nov. Range and distribution Middle Permian (late Capitanian) of the Elmadağ Olistostrome, Ankara City, Central Türkiye.