Vestinautilus sp.

Korn, Dieter & Bockwinkel, Jürgen, 2022, Early Carboniferous nautiloids from the Central Sahara, southern Algeria, European Journal of Taxonomy 831, pp. 67-108 : 94

publication ID

https://doi.org/ 10.5852/ejt.2022.831.1871

publication LSID

lsid:zoobank.org:pub:EAA2EAE2-DA8B-4516-B332-CB8423B8EEAA

DOI

https://doi.org/10.5281/zenodo.6903236

persistent identifier

https://treatment.plazi.org/id/9327592F-F431-1949-FD3C-1F45FE7D522C

treatment provided by

Felipe

scientific name

Vestinautilus sp.
status

 

Vestinautilus sp.

Fig. 22 View Fig , Table 12 View Table 12

Material examined

ALGERIA • 1 specimen; Mouydir , south of Oued Temertasset (locality MOU-C1); Argiles de Teguentour (Helicocyclus-Ouaoufilalites Assemblage; early late Tournaisian); Korn et al. 2002 Coll.; illustrated in Fig. 22 View Fig ; MB.C.30475 .

Description

Specimen MB.C.30475 is a chambered fragment with a diameter of 72 mm, heavily affected by desert polishing ( Fig. 22 View Fig ). Despite the erosion, the conch shape can still be recognised quite well; the conch is thickly discoidal and subevolute (ww/dm=0.54; uw/dm=0.25) with a depressed trapezoidal whorl profile (ww/wh=1.57). The whorls overlap each other slightly. The venter is concave in the middle and separated from the almost flat area of the flank and umbilical wall by two sharp ridges on the ventrolateral shoulder.

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