ARENOTURRISPIRILLINA Tairov, 1956

 

 

Type species: Arenoturrispirillina aptica Tairov, 1956; OD.

Arenoturrispirillina Tairov. 1956 (*3110), p. 115.

Proloculus followed by enrolled tubular second chamber as in Ammodiscus but with low trochospiral coiling throughout; wall agglutinated; aperture at the open end of the tubu­lar chamber. M.-U. Jurassic (Callovian to Kimmeridgian); Egypt. Jurassic; Germany. U. Cretaceous (Maastrichtian); USA: Cali­fornia. U. Paleocene; S. USSR. Miocene; Japan. Holocene; Sweden, Gullmar Fjord, 67 m to 200 m.