Holothuroidea - Etheridgellidae
Full reference: D. L. Frizzell and H. Exline. 1955. Monograph of fossil holothurian sclerites. Bulletin of the Missouri University School of Metallurgy and Mines, Technical series 89:1-204
Parent taxon: Holothuroidea according to K. Krainer and H. Mostler 1997
See also Deflandre-Rigaud 1962, Frizzell and Exline 1955, Frizzell and Exline 1966 and Pawson 1966
Sister taxa: Acanthocaudina, Achistrulidae, Alexandritidae, Apodacea, Apodida, Arthrochirota, Arthrochirotida, Aspidochirotacea, Aspidochirotida, Bogschites, Calcancorellidae, Canisiidae, Chiridotitidae, Conisia, Crucivirga, Dactylochirotida, Dendrochirotacea, Dendrochirotida, Elasipodida, Harinellites, Irinella, Kaliobullitidae, Kozurellidae, Kuehnitidae, Laetmophasma, Leptosynapta, Molpadiida, Ocellothuria, Palelpidiidae, Paractinopoda, Placerotapis, Priscopedatidae, Protocaudinidae, Punctatitidae, Rotiformidae, Sclerothurites, Semperitidae, Stichopitidae, Synaptellidae, Tetravirga, Theeliidae, Thyonidium, Triradites
Subtaxa: Dictyobractites Etheridgella Frizzellus Hamptonites
Type: Etheridgella
Ecology: shallow infaunal detritivore
Distribution: