Deltoceras beluga Kröger & Pohle 2021, sp. nov. ...

Deltoceras beluga sp. nov. urn:lsid:zoobank.org:act: 197BA0EF-574D-4EEF-ADC3-DF120829D7C5 Figs 41A, 42–43, 44A Diagnosis Discoidal, slightly involute conch with moderately expanding whorls with relative whorl width (rW) of ca 0.7–08 and with slightly flattened venter. Ornamented with fine growth lin...

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Bibliographic Details
Main Authors: Kröger, Björn, Pohle, Alexander
Format: Text
Language:unknown
Published: Zenodo 2021
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Online Access:https://dx.doi.org/10.5281/zenodo.5794338
https://zenodo.org/doi/10.5281/zenodo.5794338
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Summary:Deltoceras beluga sp. nov. urn:lsid:zoobank.org:act: 197BA0EF-574D-4EEF-ADC3-DF120829D7C5 Figs 41A, 42–43, 44A Diagnosis Discoidal, slightly involute conch with moderately expanding whorls with relative whorl width (rW) of ca 0.7–08 and with slightly flattened venter. Ornamented with fine growth lines, which form broad lateral lobe and deep hyponomic sinus. Etymology From the Beluga whale Delphinapterus leucas (Pallas, 1776) a common guest offshore of Profilstranda in the Hinlopen Strait, Svalbard. Type material Holotype Specimen FMNH-P30321. Paratypes Two additional specimens, FMNH-P30322 and FMNH-P30326, from type locality and horizon. Type locality and horizon From Profilstranda section, Ny Friesland, Svalbard, from bed PO 07, 4 m above base of Olenidsletta Member, V 1a trilobite zone, Blackhillsian, Floian. Description The holotype is a complete specimen of ca 2.5 volutions, with a conch diameter of 42 mm and an apertural conch width and height of 12 mm and 15 mm, respectively (WWI = 0.8) (Fig. 42). The ... : 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 63-64, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 ...