Simakocrinus facilis, Prokop, 2013
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publication ID |
https://doi.org/ 10.5281/zenodo.13191034 |
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persistent identifier |
https://treatment.plazi.org/id/1F7987FA-B975-FFC7-86BC-022FFD4DF7A9 |
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treatment provided by |
Felipe |
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scientific name |
Simakocrinus facilis |
| status |
sp. nov. |
Simakocrinus facilis sp. nov. (col.)
Pl. 1, figs 1-4
H o l o t y p e: Isolated columnal NMP L 41041 figured on Pl. 1, figs 3-4.
T y p e h o r i z o n: Loděnice Limestone, Pragian, Praha Formation, Early Devonian.
T y p e l o c a l i t y: Praha – Klukovice, abandoned “Červený lom“ Quarry.
M a t e r i a l: In addition to the holotype, more than 250 isolated columnals and pluricolumnals from washings.
D e s c r i p t i o n: Columnals bilateral, roundedly trapezoidal to semielliptical in shape. Latera flat or slightly convex, protruding in lateral and dorsal surface by short, relatively massiv cirri basis. Articular facet flat, fulcral ridge deep and narrow, created by two distinctly curved branches between a narrower, fine grained inner ligamentary area and wide coarse grained outer ligamentary area. Lumen semicircular accompanied by 7 – 8 semicircularly arranged minute axial canals.
O c c u r r e n c e: Abundant in the washings from weathered parts of the well-bedded platy biosparitic Slivenec Limestone and biomicritic Loděnice Limestone.
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