Asterigerinoidea

Asterigerinoidea is a superfamily of Foraminifera included in the order Rotaliida, proposed by Loeblich and Tappan in 1988.^[2]

Asterigerinoidea Temporal range: Cretaceous–Recent PreꞒ Ꞓ O S D C P T J K Pg N
Amphistegina gibbosa
Scientific classification
Domain:	Eukaryota
Clade:	Sar
Clade:	Rhizaria
Phylum:	Retaria
Subphylum:	Foraminifera
Class:	Globothalamea
Order:	Rotaliida
Superfamily:	Asterigerinoidea d'Orbigny, 1839
Families[1]
Amphisteginidae Cushman, 1927 Asterigerinatidae Reiss, 1963 Asterigerinidae d'Orbigny, 1839 Boreloididae Reiss, 1963 † Epistomariidae Hofker, 1954 Helicosteginidae Mitchell, E. Robinson & Özcan in Mitchell et al., 2022 † Lepidocyclinidae Scheffen, 1932 † Nuttallidae Saidova, 1981 Pseudolepidinidae Mitchell, E. Robinson & Özcan in Mitchell et al., 2022 †
Synonyms[1]
Asterigerinacea d'Orbigny, 1839 Asteriginoidea

The Asterigerinoidea unites three families,^[3] the Episomariidae and Asterigerinidae which had been included in the Discorboidea and the Amphisteginidae which was included in the Orbitoidoidea in the Treatise on Invertebrate Paleontology, Part C.^[4]

Asterigerinoidea are characterized by a trochospiral or nearly planispiral arrangement of the chambers, which are fully or partially subdivided by internal partitions. The primary aperture is commonly on the interior margin and secondary apertures are commonly along the sutures. Apertures may also form on the chamber surfaces as well. Test walls are composed of optically radial calcite.^[2][3]

The Asterigerinoidea range from the Cretaceous to Recent,^[4] the oldest family being the Asterigerinidae.