Subfamily Neothyridinae Allan, 1940
Introduction
Occurence: Oligocene to Recent.
Diagnosis
Socket ridges, crural bases, and septum thick and solid; cardinalia characterised by distinct hinge trough, and bifurcated septum. Foramen ranging from hypothyridid to permesothyridid, loop from magadiniform to magellaniiform, and folding from sulcate to intraplicate. From Moore (1965: H854).
Diagnosis References
History of changes
Note that this list may be incomplete for dates prior to September 2013.
| Published | As part of group | Action Date | Action Type | Compiler(s) |
|---|---|---|---|---|
| 12-Feb-2010 | (import) |