Extinct genus of single-celled organisms
Acarinina[1] is an extinct genus of foraminifera belonging to the family Truncorotaloididae of the superfamily Globorotalioidea and the suborder Globigerinina.[2] Its fossil range is from the upper Paleocene to the middle Eocene.[3] Its type species is Acarinina nitida.[2]
Description
The test is subglobular, close coiled and low trochospiral. It has four to five rapidly enlarging chambers per whorl. It has a cosmopolitan distribution.[3]
Species
Species in Acarinina include:[2]
References
- ^ Subbotina, N. N. (1953). Iskopaemye Foraminifery SSSR (Globigerinidy, Khantkeninidy i Globorotaliidy) [Fossil Foraminifera of the USSR (Globigerinidae, Hantkeninidae and Globorotalidae)]. Trudy Vsesoyuzhnyy Neftyanoy Nauchno-Issledovatel´skogo Geologo-Razvedochnogo Instituta (VNIGRI), 76: 296 p. (in Russian)
- ^ a b c Acarinina, World Foraminifera Database, accessed 27 November 2018
- ^ a b Loeblich; Tappan (2015). Foraminiferal Genera and Their Classification. Springer. p. 478.