Craspedophyllia, Volz, 1896
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publication ID |
https://doi.org/ 10.4202/app.2009.0092 |
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persistent identifier |
https://treatment.plazi.org/id/03EE87C9-3C6D-FFF0-B393-79C9FA0978CB |
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treatment provided by |
Felipe |
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scientific name |
Craspedophyllia |
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Craspedophyllia View in CoL ? sp.
Fig. 4F, G View Fig .
Material.—GBA 2009/019/16 and 2009/019/17, fragments of corallites in organodetrital limestones, with thin sections.
Measurements (in mm): Description.—Corallum phaceloid. Calices deepened at the center. Septa fusiform, differentiated into four size orders: the S1 to S3 septa regularly distributed, with the S1 and S2 septa the thickest of all. The S1 septa approaching the axis, the S2 septa conspicuously shorter, the S3 septa of about half the radius, the S4 septa from about a quarter to one−third the radius in length. Menianes wide and rare, in transverse section resembling long, thorny septal outgrowths strongly inclined to the axis. Endotheca abundant. Wall pellicular.
Microstructure.—The midseptal line in the S1to S3 septa is in the form of a dense zigzag line, and the lateral stereome is differentiated into regular trabecular portions with symmetrically or asymmetrically developed lateral axes.
Remarks.—This form differs in robust and sparse septa from branching species of Craspedophyllia (e.g., C. ramosa Roniewicz et al. 2005 , or determined to be Craspedosmilia graeca Turnšek and Senowbari−Daryan, 1994 in Okuda et al. 2005). Its microstructure of septa and menianes are typical of the genus, but, unlike other species, it has calices deepened centrally and lacking reliable evidence of columella.
Stratigraphic and geographic range.— Austria: Northern Calcareous Alps, Dachstein Plateau, north of Feisterscharte, lower Norian, Epigondolella quadrata Conodont Zone.
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