Holothuroidea - Apodida - Myriotrochidae
Full reference: O. Terquem and J. G. Berthelin. 1875. Etude micropaléontologique des marnes du Lias moyen d'Essey-lès-Nancy (zone inférieure des assises à Ammonites margaritatus). Mémoires de la Société Géologique de France 10(3):1-126
Parent taxon: Myriotrochidae according to M. Reich and F. Wiese 2010
See also Frizzell and Exline 1966, Garbowska and Wierzbowski 1967, Górka and Luszczewska 1969, Reich 2002, Said and Barakat 1958 and Sepkoski 2002
Sister taxa: Acanthotheelia, Gagesiniotrochus, Paleochiridotidae, Thalattocanthus, Trematrochus
Subtaxa: Hemisphaeranthos costifera Hemisphaeranthos frankei Hemisphaeranthos ogrodzieniecensis Hemisphaeranthos simplex
Type: Hemisphaeranthos costifera
Ecology: epifaunal detritivore
Distribution:
• Cretaceous of Germany (1 collection), Poland (1)
• Jurassic of Egypt (1), Poland (2)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.