Serpianotiaris coaeva (QUENSTEDT, 1873)

Taxonomy

Kingdom: Animalia
Phylum: Echinodermata Klein 1754
Class: Echinoidea Leske 1778
Order: Cidaroida Claus 1880
Family: Serpianotiaridae Hagdorn 1995
Genus: Serpianotiaris
Species: Serpianotiaris coaeva
Author Citation (QUENSTEDT, 1873)

Geological Time Scale

Eon: Phanerozoic
Era: Mesozoic
Period: Triassic
Sub Period: None
Epoch: Middle
International Age: Anisian

Stratigraphy

Trochitenkalk Formation

Biostratigraphy

Ceratites atavus-Zone

Provenance

Collector: T. Bastelberger
Date Collected: 07/01/1971
Acquired by: Field Collection

Dimensions

Diameter: 6 cm

Location

Leyh Quarry, Wollmershausen
Crailsheim
Baden-Württemberg
Germany

• anisian
• crailsheim
• serpianotiaris
• tff-oilshale-ec1733
• triassic
• trochitenkalk

Comments

Apical side.

Taxonomy from fossilworks.org.

Diagnosis for the family Serpianotiaridae from Hagdorn 1995, p. 258 (translated from german by oilshale): "Overmedium sized sea urchins with moderately flexible shell. Apical system monocyclic. Ambulacrum narrow, simple above the ambitus, primitively diadematoid below the ambitus, adorally occluded plates; pore pairs uniserial, adorally biserial. Interambulacrum overlapping the ambulacrum, adorally relatively tightly jointed. Primary tubercle crenulate, perforate; adorally rows of large secondary tubercles. Perignathic girdle with promunturium. Lantern cidarid. Primary spines awl-shaped, without cortex; scrobicular spines spatulate."

Line drawing from Hagdorn 1995, p. 261:

Identified by Dr. H. Hagdorn (Muschelkalkmuseum Ingelfingen).

References:

Jeannet, A. (1933) Die Triasfauna der Tessiner Kalkalpen, VI: Note sur un Miocidaris nouveau. Abhandlungen der Schweizerischen Palaeontologischen Gesellschaf 53, 1-7, pl. 30.
Kier, P.M. (1977) Triassic echinoids. Smithsonian Contributions to Paleobiology 30, 1-88.
Hagdorn, H. (1995) Die Seeigel des germanischen oberen Muschelkalks. Geologische und Palaontologische Mitteilungen, Innsbruck. 20, 245-281.
Kroh, A.  and Smith, A. B. (2010) The phylogeny and classification of post-Palaeozoic echinoids. Journal of Systematic Palaeontology 8(2):147-212.