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Sinoeocrinus
Taxonomy
Sinoeocrinus is a genus. It is not extant. Its type is Sinoeocrinus lui.
It was assigned to Eocrinoidea by Sepkoski (2002); and to Eocrinidae by Parsley and Zhao (2006).
It was assigned to Eocrinoidea by Sepkoski (2002); and to Eocrinidae by Parsley and Zhao (2006).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Curtoeocrinus Zhao et al. |
| 2002 | Curteocrinus Sepkoski |
| 2002 | Paragogia Sepkoski |
| 2002 | Sinoeocrinus Sepkoski |
| 2006 | Sinoeocrinus Parsley and Zhao p. 1065 |
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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.
G. †Sinoeocrinus
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†Sinoeocrinus lui Zhao et al. 1994
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Invalid names: Curtoeocrinus guizhouensis Zhao et al. 1994 [synonym], Paragogia globosa Zhao et al. 1994 [synonym], Sinoeocrinus curtobrachiolus Zhao et al. 1994 [synonym], Sinoeocrinus longus Zhao et al. 1994 [synonym], Sinoeocrinus minus Zhao et al. 1994 [synonym]
Invalid names: Curtoeocrinus Zhao et al. 1994 [synonym], Paragogia [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Parsley and Y.-L. Zhao 2006 | Gogiid with at least three series of near equidimensional,
essentially hexagonal plates developed directly under apical ambulacrum and two series of elongated transitional plates between them and first holdfast plates in small juveniles (TH < 3 mm). Larger juveniles and mature specimens irregularly plated because of subsequent plate intercalation. Thecal plates comprising basal part of theca irregular and similar to plates of holdfast except that they have sutural pores. Ambulacral area restricted to upper thecal surface and arranged in 2-1-2 pattern except in early juveniles where pattern is 2-2. Depending on ontogenetic stage, straight brachioles number 4, 5, 10, or 15. Cover plates unusually tall. Holdfast variable in length and composed of numerous bossed platelets. Attachment disk slightly expanded and composed of several layers of small platelets. |