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Mariania stefaninii Stara, Borghi & Kroh 2016

Diagnosis

provided by World Register of Marine Species
A species of Mariania with moderately high profile (mean 48% TL), comparatively narrow petals, not quite reaching the ambitus in plan view, deep groove connecting the peristome and anterior margin, strongly projecting, triangular labral plate and numerous low phyllodal plates (10–12 per column) in ambulacra II and IV.

Reference

Stara, P., Borghi, E. & Kroh, A. (2016). Revision of the genus Mariania (Echinoidea) with the description of two new species from the Miocene of Italy. Bulletin of Geosciences. 91/1: 65-88.

license
cc-by-4.0
copyright
WoRMS Editorial Board
contributor
Andreas Kroh [email]

Stratigraphy

provided by World Register of Marine Species
Pantano Formation, base of the Montecuccolo member

Reference

Stara, P., Borghi, E. & Kroh, A. (2016). Revision of the genus Mariania (Echinoidea) with the description of two new species from the Miocene of Italy. Bulletin of Geosciences. 91/1: 65-88.

license
cc-by-4.0
copyright
WoRMS Editorial Board
contributor
Andreas Kroh [email]