Published August 2, 2023
| Version v1
Taxonomic treatment
Open
Rineceras undefined-2
Authors/Creators
- 1. Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity, Invalidenstrasse 43, 10115 Berlin, Germany.
- 2. Paläontologisches Institut und Museum, Universität Zürich, Karl-Schmid-Strasse 4, 8006 Zürich, Switzerland.
Description
Rineceras sp. 2
Fig. 4B
Material examined
MOROCCO • 1 specimen; Anti-Atlas, region south-west of Rissani; basal Mougoui Ayoun Formation; Karaoui Coll.; PIMUZ 39510.
Description
Specimen PIMUZ 39510 is mostly an internal mould (Fig. 4B), which has a conch diameter of 42.5 mm and is 14 mm wide with an umbilicus 20.5 mm wide (uw/dm ~ 0.40). The body chamber and last three chambers are partly embedded in a sideritic nodule. It has a depressed rounded-triangular whorl profile with flattened venter. Flanks and venter bear longitudinal equidistant ridges (5 on the umbilical wall, 3 to 4 on the flank and 2 between the ventrolateral ridges); a granulation is visible at some places at the crossing points of spiral ridges and growth lines.
Notes
Published as part of Korn, Dieter & Klug, Christian, 2023, Early Carboniferous coiled nautiloids from the Anti-Atlas (Morocco), pp. 156-194 in European Journal of Taxonomy 885 on page 161, DOI: 10.5852/ejt.2023.885.2199, http://zenodo.org/record/8222417
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Linked records
Additional details
Identifiers
Biodiversity
- Collection code
- PIMUZ
- Material sample ID
- PIMUZ 39510
- Kingdom
- Animalia
- Phylum
- Mollusca
- Order
- Nautilida
- Family
- Trigonoceratidae
- Genus
- Rineceras
- Species
- undefined-2
- Taxon rank
- species