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]

Acarinina
Temporal range: Early Paleocene - Bartonian
Acarinina echinata
Scientific classification Edit this classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: SAR
Phylum: Retaria
Subphylum: Foraminifera
Class: Globothalamea
Order: Rotaliida
Suborder: Globigerinina
Superfamily: Globorotalioidea
Family: Truncorotaloididae
Genus: Acarinina
Subbotina, 1953

Description edit

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 edit

Species in Acarinina include:[2]

References edit

  1. ^ 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)
  2. ^ a b c Acarinina, World Foraminifera Database, accessed 27 November 2018
  3. ^ a b Loeblich; Tappan (2015). Foraminiferal Genera and Their Classification. Springer. p. 478.