Crinoidea

Hausmann, Imelda M., Nützel, Alexander, Roden, Vanessa Julie & Reich, Mike, 2021, Palaeoecology of tropical marine invertebrate assemblages from the Late Triassic of Misurina, Dolomites, Italy, Acta Palaeontologica Polonica 66 (1), pp. 143-192 : 177

Crinoidea

One poorly preserved columnal (PZO 12765) of isocrinid affinities ( Fig. 30A ) from Misurina Landslide bulk sample, Italy, Carnian, Triassic.

Figures

Fig. 30. Echinoderm plates, ossicles, and elements from Misurina Landslide, northern Italy, Cassian Formation; Carnian, Upper Triassic. A. PZO 12765, isocrinid? (sediment encrusted) columnal. B. PZO 12878, asteroid?/asterozoan spine. C, D, H. Ophiuroids. C. PZO 12879, lateral arm plate, external view, showing the articulation for the attachment of spines.D. PZO 12880, arm vertebra, distal view, showing the muscle attachment area. E. PZO 12885, part of ambulacrum of unknown cidaroid? species. H. PZO 12881, distal lateral arm plate, in external view. F. PZO 11827, ophiocistioid goniodont Linguaserra triassica Reich in Reich et al., 2018, abaxial face, in outer view. G. Pronechinus? sp., PZO 12777, ambulacral plate. I. PZO 12884, broken hollow cidaroid? spine fragment, showing the microstructure at the inner side of the cylinder.J, L, M.Ambulacral plates of Pronechinus? sp. with slightly developed peripodial rim surrounding pore pairs (J, PZO 12780; L, PZO 12778; M, PZO 12779). K, N. Cidaroid? spines (partially broken) of unknown species (K, PZO 12882; N, PZO 12883).