Scomberomorus stormsi ( Leriche, 1905 ),

Ebersole, Jun A., Cicimurri, David J. & Stringer, Gary L., 2019, Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, inclu, European Journal of Taxonomy 585, pp. 1-274: 176

publication ID

https://doi.org/10.5852/ejt.2019.585

publication LSID

lsid:zoobank.org:pub:181B6FBA-ED75-4BB4-84C4-FB512B794749

DOI

http://doi.org/10.5281/zenodo.3664320

persistent identifier

http://treatment.plazi.org/id/18174D41-FF2A-FF00-FDEF-9DC3484508DC

treatment provided by

Plazi

scientific name

Scomberomorus stormsi ( Leriche, 1905 )
status

 

Scomberomorus stormsi ( Leriche, 1905) 

Fig. 64View Fig S–AA

Cybium stormsi Leriche, 1905: 151  , pl. 10, fig. 3.

Scomberomorus stormsi – Bannikov 1982: 135  .

Material examined

UNITED STATES OF AMERICA – Alabama • 12 isolated teeth; Claiborne Group ; MSC 37126View Materials, MSC 37512.1 2, MSC 38974.1 3, MSC 38977View Materials, SC 2012.47.248 (5 specimens)  .

Description

Teeth measuring up to 1.0 cm high, 5.0 mm wide. Crown medially curved, biconvex; medial face more convex than lateral face; faces with thin layer of enameloid; enameloid smooth or finely striated basally. Crown bicarinate; carinae smooth, sharp, not reaching the tooth base; basal half of carinae straight, nearly parallel; tapering to point apically. Basal part of tooth more cylindrical, appears constricted below end of carinae. Tooth base with ovate outline, weak pulp cavity.

Remarks

Scomberomorus stormsi ( Leriche, 1905)  and S. bleekeri ( Storms, 1892)  are coeval within Eocene strata ( Casier 1946, 1966; Weems 1999), but the former can be differentiated from the latter by being more ovate in basal view and being twice as high as wide. The teeth of S. stormsi  can also exhibit longitudinal striations on the labial and lingual faces. This species can be differentiated from teeth of Palaeocybium proosti  and Sphyraena  sp. in having carinae that do not reach the tooth base, a much smaller pulp cavity than P. proosti  , and a labiolingually thicker crown than Sphyraena  sp.

Stratigraphic and geographic range in Alabama

The specimens in our sample were collected from the lower Tallahatta Formation at site ADl-1, the contact of the Tallahatta and Lisbon formations and the basal Lisbon Formation at site ACov-11, and the basal Gosport Sand at site ACl-15. Upper Ypresian to middle Bartonian, zones NP14 to NP17.

Kingdom

Animalia

Phylum

Chordata

Class

Actinopterygii

Order

Perciformes

Family

Scombridae

Genus

Scomberomorus

Loc

Scomberomorus stormsi ( Leriche, 1905 )

Ebersole, Jun A., Cicimurri, David J. & Stringer, Gary L. 2019
2019
Loc

Cybium stormsi

Leriche M. 1905: 151
Loc

Scomberomorus stormsi –

Bannikov A. F. 1982: 135