Buttsoceras buldrebreenense Kröger & Pohle 2021, sp. nov ...
Buttsoceras buldrebreenense sp. nov urn:lsid:zoobank.org:act: D6C02A7F-2CAF-44FC-A243-52AB01FCEB2C Figs 9A–B, D–E, 11B, 34–35 Diagnosis Smooth orthocones with elliptically compressed conch cross sections, widely spaced chambers (relative chamber length up to ca 0.6); with large siphuncles (rSD = 0.2...
| Main Authors: | , |
|---|---|
| Format: | Text |
| Language: | unknown |
| Published: |
Zenodo
2021
|
| Subjects: | |
| Online Access: | https://dx.doi.org/10.5281/zenodo.5793541 https://zenodo.org/doi/10.5281/zenodo.5793541 |
| Summary: | Buttsoceras buldrebreenense sp. nov urn:lsid:zoobank.org:act: D6C02A7F-2CAF-44FC-A243-52AB01FCEB2C Figs 9A–B, D–E, 11B, 34–35 Diagnosis Smooth orthocones with elliptically compressed conch cross sections, widely spaced chambers (relative chamber length up to ca 0.6); with large siphuncles (rSD = 0.25) which are slightly expanded into the chambers and are eccentrically positioned (rSP = 0.21); septal necks are short orthochoanitic; continuous endosiphuncular lining and episeptal deposits are present. Etymology From Buldrebreen, a glacier near Olenidsletta, Ny Friesland, Svalbard close to the type locality of the specimen. Type material Holotype Specimen FMNH-P30421. Paratypes Four specimens (FMNH-P30422, P30423, P30428, P30430) from type locality and horizon. Type locality and horizon Profilstranda section, adjacent Hinlopenstretet, Spitsbergen, from bed PO 131, 128 m above base of Olenidsletta Member, V 2b trilobite zone, Blackhillsian, Floian. Description The holotype, FMNH-P30421, is a 44 mm long, nearly ... : 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 51-52, DOI: 10.5852/ejt.2021.783.1601, http://zenodo.org/record/5793422 ... |
|---|