Cyclostomiceras profilstrandense Kröger & Pohle 2021, sp. nov. ...
Cyclostomiceras profilstrandense sp. nov. urn:lsid:zoobank.org:act: 538BB8F6-F83E-47EA-A28F-AD4E316CDAFC Fig. 5O–Q Diagnosis Small Cyclostomiceras with adult conch width of ca 14 mm, slightly depressed conch cross section; ornamented with shallow, widely spaced, directly transverse annulations. Etym...
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| Format: | Text |
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Zenodo
2021
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| Online Access: | https://dx.doi.org/10.5281/zenodo.5793458 https://zenodo.org/doi/10.5281/zenodo.5793458 |
| Summary: | Cyclostomiceras profilstrandense sp. nov. urn:lsid:zoobank.org:act: 538BB8F6-F83E-47EA-A28F-AD4E316CDAFC Fig. 5O–Q Diagnosis Small Cyclostomiceras with adult conch width of ca 14 mm, slightly depressed conch cross section; ornamented with shallow, widely spaced, directly transverse annulations. Etymology Referring to the type locality. Type material Holotype Specimen FMNH-P30336, by monotypy. Type locality and horizon Profilstranda section, adjacent to Hinlopenstretet, Spitsbergen, from bed Po123.3, 120.3 m above base of Olenidsletta Member, V 2a trilobite zone, Blackhillsian, Floian. Description Specimen FMNH-P30336 is a fragment of part of the phragmocone and a nearly complete body chamber. At the base of the body chamber the cross section is slightly depressed, the conch height is 11.8 mm, the width 12.3 mm (rW = 1.08). The maximum conch width is 13.7 mm and reached at ca mid-length of the body chamber. The length of the body chamber is 11 mm, and its aperture is simple transverse and slightly contracted ... : 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 15-16, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 ... |
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