Eutawichthys zideki, (Nolf and Stringer, 1996)

Stringer, Gary L. & Sloan, James Carson, 2023, First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway, PaleoBios 40 (1994), pp. 1-39 : 18

publication ID

https://doi.org/ 10.5070/P940361192.

publication LSID

lsid:zoobank.org:pub:3B70D32F-9BF0-4595-AF4B-45ADEE03B204

DOI

https://doi.org/10.5281/zenodo.11474232

persistent identifier

https://treatment.plazi.org/id/2B4F878B-2573-FF89-FCBA-FE07FC27FA91

treatment provided by

Felipe

scientific name

Eutawichthys zideki
status

 

EUTAWICHTHYS ZIDEKI ( NOLF AND STRINGER, 1996)

FIG. 8E View Figure 8

Material— 287 specimens, specimen figured, DMNH 2021-09- 27 About DMNH . About DMNH

Description and Remarks— Eutawichthys zideki is the most abundant species of this genus in the Arkadelphia Formation. It is characterized by an oval outline (sensu Smale et al. 1995), but larger specimens can become somewhat angular. Although the sulcus (heterosulcoid type) is not deeply impressed, it is distinct and extends for approximately 75% of the length of the inner face. The sulcus is almost horizontal, which is a distinguishing feature of the species. The ostium and cauda are approximately the same length, and the ostium is only slightly wider than the cauda. Eutawichthys zideki is geographically widespread in its distribution and has been reported from the Severn Formation of Maryland ( Huddleston and Savoie 1983), the Woodbury Formation of New Jersey ( Stringer et al. 2016), the Tar Heel Formation of North Carolina (Stringer et al. 2018), the Coon Creek Formation of Tennessee ( Stringer 2016b), the Eutaw Formation of Alabama ( Schwarzhans et al. 2018b), and the Ripley Formation of Mississippi (Stringer et al. 2020).

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