Megathyrididae is a family of
brachiopods
Brachiopods (), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, whi ...
belonging to the order
Terebratulida
Terebratulids are one of only three living orders of articulate brachiopods, the others being the Rhynchonellida and the Thecideida. Craniida and Lingulida include living brachiopods, but are inarticulates. The name, Terebratula, may be derived f ...
.
Genera
Genera:
* ''
Argiope''
Eudes-Deslongchamps, 1842
* ''
Argyrotheca
''Argyrotheca'' is a genus of very small to minute lampshells (maximum long). All species share a large pedicel opening (or foramen), one ridge on the inside of the pedunculate valve, pits in a diamond pattern on the inside of both valves, and ...
''
Dall, 1900
* ''
Bronnothyris''
Popiel-Barczyk & Smirnova, 1978
References
{{Taxonbar, from=Q3543247
Brachiopods