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Springerocystis
Taxonomy
Springerocystis was named by Bassler (1950) [Sepkoski's age data: O Cara-l]. Its type is Springerocystis longicollis. It is the type genus of Springerocystidae.
It was assigned to Springerocystidae by Bassler (1950); and to Paracrinoidea by Sepkoski (2002).
It was assigned to Springerocystidae by Bassler (1950); and to Paracrinoidea by Sepkoski (2002).
Species
S. longicollis (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 | |
|---|---|---|
| R. S. Bassler 1950 | Top of theca elevated into a short, tubelike, oral protuberance, with its upper margin formed by five thin oral plates arranged in a small circle. |