Cycloplectoceras hinlopense Kröger & Pohle 2021, sp. nov. ...
Cycloplectoceras hinlopense sp. nov. urn:lsid:zoobank.org:act: 17CC19A8-797C-4718-AE09-C6DEEF037258 Fig. 41C–D Diagnosis Strongly ribbed Cycloplectoceras with rapidly enlarging conch with WER of ca 3.7 and LER of ca 2, with adult size> 30 mm. Etymology From Hinlopen Strait, referring to the type...
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Zenodo
2021
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| Online Access: | https://dx.doi.org/10.5281/zenodo.5793579 https://zenodo.org/doi/10.5281/zenodo.5793579 |
| Summary: | Cycloplectoceras hinlopense sp. nov. urn:lsid:zoobank.org:act: 17CC19A8-797C-4718-AE09-C6DEEF037258 Fig. 41C–D Diagnosis Strongly ribbed Cycloplectoceras with rapidly enlarging conch with WER of ca 3.7 and LER of ca 2, with adult size> 30 mm. Etymology From Hinlopen Strait, referring to the type region of this species. Type material Holotype Specimen FMNH-P30327; by monotypy. Type locality and horizon From Profilstranda section, Ny Friesland, Svalbard, bed PO 131, 128 m above base of Olenidsletta Member, Blackhillsian, Floian. Description Specimen FMNH-P30327 is a fragment of a phragmocone consisting of ca two whorls with a total diameter of 26 mm. The conch grows with a WER of 3.66 and a LER of 2. The whorl is 13 mm wide and high at a conch diameter of 26 mm and is slightly flattened on the lateral flanks and venter; a 0.3 mm deep imprint zone is present at the dorsum. The conch is strongly annulated with ribs than run obliquely transverse across the flanks and forming a deep and broad ventral lobe. ... : 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 page 61, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 ... |
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