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Simatocrinus
Taxonomy
Simatocrinus was named by Ausich and Kammer (2010).
It was assigned to Batocrinidae by Ausich and Kammer (2010).
It was assigned to Batocrinidae by Ausich and Kammer (2010).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2010 | Simatocrinus Ausich and Kammer p. 47 |
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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. †Simatocrinus Ausich and Kammer 2010
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†Simatocrinus heteroclitus Miller and Gurley 1895
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. I. Ausich and T. W. Kammer 2010 | Calyx shape low cone or expanding with concave sides (Fig. 2.4, 2.7); basal concavity absent; calyx as high as or lower than tegmen; calyx plates smooth; median ray ridges present or absent (Fig. 2.6, 2.15); plates commonly with distinct sutures; basal plates low, truncate or narrow proximal expansion; radial plates low; first primibrachial tetragonal; rays lobate; regular interrays in contact with tegmen (Fig. 2.5, 2.8); CD interray in contact with tegmen (Fig. 2.4, 2.7); tegmen flat to low cone- or inverted bowl-shaped; tegmen plates smooth, convex, or nodose; anal tube cylindrical; arm facets face outward (subvertical) or obliquely upward (30u to 60u); and free arms 12–25, free arms unknown. |