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Euhydrodiskos
Taxonomy
Euhydrodiskos was named by Guensburg (1988) [Sepkoski's age data: O Ashg-m]. Its type is Euhydrodiskos diktyotos.
It was assigned to Lebetodiscidae by Guensburg (1988); and to Isorophida by Sepkoski (2002).
It was assigned to Lebetodiscidae by Guensburg (1988); and to Isorophida by Sepkoski (2002).
Species
E. diktyotos (type species)
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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
| Reference | Diagnosis | |
|---|---|---|
| T. E. Guensburg 1988 | Lebetodiscidae 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. |