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Euhydrodiskos

Edrioasteroidea - Isorophida - Lebetodiscidae

Taxonomy
Euhydrodiskos was named by Guensberg (1988) [Sepkoski's age data: O Ashg-m]. Its type is Euhydrodiskos diktyotos.

It was assigned to Lebetodiscidae by Guensberg (1988); and to Isorophida by Sepkoski (2002).

Synonymy list
YearName and author
1988Euhydrodiskos Guensberg p. 123
2002Euhydrodiskos Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
RankNameAuthor
phylumEchinodermata
classEdrioasteroideaBillings 1858
orderIsorophida
familyLebetodiscidaeBell 1976
genusEuhydrodiskos

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
T. E. Guensberg 1988Lebetodiscidae with high domal theca, ambulacra strongly curved, I-IV contrasolar, V apparently solar; oral region transversely wide, includes several secondary orals; large hydropore coverplate separates posterior oral from the hydropore oral; hydropore structure large, forming prominent rise in right posterior oral area; anal area a periproct; peripheral rim proximal circlet comprised of large, thick, laterally overlapping plates.