Protocycloceras minor Kröger & Pohle 2021, sp. nov. ...

• Main Authors: Kröger, Björn, Pohle, Alexander
• Format: Text
• Language: unknown
• Published: Zenodo 2021
• Subjects: Biodiversity; Taxonomy; Animalia; Mollusca; Cephalopoda; Tetrabranchia; Protocycloceratidae; Protocycloceras; Protocycloceras minor; Ny Friesland; Spitsbergen
• Online Access: https://dx.doi.org/10.5281/zenodo.5793562; https://zenodo.org/doi/10.5281/zenodo.5793562

Protocycloceras minor sp. nov. urn:lsid:zoobank.org:act: C3D57CD1-2758-40A3-8596-6865D77F3620 Figs 36B–C, E–H, 37C, 38 Etymology From the Latin ‘ minor ’, ‘relatively small’, referring to the relatively small size of this species of Protocycloceras. Type material Holotype Specimen FMNH-P30411. Paratypes Five additional specimens (FMNH-P30410, P30412 to P30415) all from type horizon and locality. Type locality and horizon From Profilstranda section, adjacent to Hinlopenstratet, Spitsbergen, bed PO 131, 128 m above base of Olenidsletta Member, V 2 trilobite zone, Blackhillsian, Floian. Description The holotype is a fragment of a body chamber and part of the phragmocone with a nearly circular conch cross section of 9.5 mm in diameter (Fig. 36B, E–F). The preservation does not allow precise measurement of the angle of expansion. The preserved part of the body chamber is 12 mm long. The conch is annulated, with annulations running parallel to the sutures with a distance of ca 2 mm and a chamber length of ca 2 mm ... : Published as part of Kröger, Björn & Pohle, Alexander, 2021, Early-Middle Ordovician cephalopods from Ny Friesland, Spitsbergen - a pelagic fauna with Laurentian affinities, pp. 1-102 in European Journal of Taxonomy 783 (1) on pages 56-57, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 ...