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Gongylocrinus
Taxonomy
Gongylocrinus was named by Ausich and Kammer (2010). Its type is Batocrinus imparilis.
It was assigned to Batocrinidae by Ausich and Kammer (2010).
It was assigned to Batocrinidae by Ausich and Kammer (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Gongylocrinus Ausich and Kammer p. 46 |
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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. †Gongylocrinus Ausich and Kammer 2010
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†Gongylocrinus follicus Miller and Gurley 1896
†Gongylocrinus imparilis Miller and Gurley 1895
†Gongylocrinus incultus Miller and Gurley 1895
†Gongylocrinus inflatus Rowley and Hare 1891
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Invalid names: Gongylocrinus bulbosus Rowley and Hare 1891 [synonym]
†Gongylocrinus insperatus Miller and Gurley 1895
†Gongylocrinus nanus Miller and Gurley 1896
†Gongylocrinus repertus Miller and Gurley 1896
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. I. Ausich and T. W. Kammer 2010 | Calyx shape low bowl; basal concavity absent; calyx as high as or lower than calyx; calyx plates convex; median ray ridges absent (Fig. 2.12); calyx plates commonly with distinct sutures; basal plates low, truncate, without proximal expansions; radial plates low; first primibrachial tetragonal; rays lobate or not lobate; regular interrays in contact with tegmen (Fig. 2.13, 2.17); CD interray in contact with tegmen (Fig. 2.14, 2.16); tegmen low cone or low inverted bowl; tegmen plates convex; anal tube cylindrical; arm facets face outward (subvertical); and free arms 18–20, no arm branching, distal arms not spatulate. |
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992, Kiessling 2004 | |||||
Collections
No collection or age range data are available