Cylindracanthus rectus (Agassiz, 1843),

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: 152

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.3664278

persistent identifier

http://treatment.plazi.org/id/18174D41-FF12-FF38-FDEA-9E9B49F00A5D

treatment provided by

Plazi

scientific name

Cylindracanthus rectus (Agassiz, 1843)
status

 

Cylindracanthus rectus (Agassiz, 1843) 

Fig. 56View Fig D–G

Coelorhynchus rectus Agassiz, 1843: 92  .

Cylindracanthus acus Cope, 1870: 294  .

Cylindracanthus rectus – Fowler 1911: 141  , fig. 87.

Cylindracanthus acus – Thurmond & Jones 1981: 107  .

Material examined

UNITED STATES OF AMERICA – Alabama • 46 isolated teeth; Claiborne Group ; ALMNH PV1985.87.41, ALMNH PV1985.87.42, ALMNH PV1985.87.43, ALMNH PV1985.87.44, ALMNH PV1985.87.45, ALMNH PV1985.87.46, ALMNH PV1985.87.47, ALMNH PV1985.87.48, ALMNH PV1985.87.49, ALMNH PV1985.87.50, ALMNH PV1992.28.3.1, ALMNH PV2000.1.43.10 (2 specimens), ALMNH PV2016.3.75, GSA-V718 (3 specimens), MMNS VP-8196 (3 specimens), MMNS VP-8232 (2 specimens), MSC 188.197, MSC 37123.1 2, MSC 37186.1 3, MSC 37445, MSC 38835, MSC 38378, SC 2012.47.94 (8 specimens), WSU 5019View Materials, WSU 5055View Materials (6 specimens)  .

Description

Rostra morphologically like Cylindracanthus ornatus  but lack ventral tooth-bearing grooves.

Remarks

See Cylindracanthus ornatus  above.

Stratigraphic and geographic range in Alabama

The specimens in our sample were collected the contact of the Tallahatta and Lisbon formations and the basal Lisbon Formation at site ACov-11, the “upper” Lisbon Formation at site ACl-3, and the basal Gosport Sand at site ACl-4. Lower Lutetian to middle Bartonian, zones NP14 to NP17.

ALMNH

Alabama Museum of Natural History

Kingdom

Animalia

Phylum

Chordata

Class

Actinopterygii

Order

Perciformes

Family

Scombridae

Genus

Cylindracanthus

Loc

Cylindracanthus rectus (Agassiz, 1843)

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

Cylindracanthus acus

Cope E. D. 1870: 294
Loc

Cylindracanthus rectus – Fowler 1911: 141

Fowler H. W. 1911: 141
Loc

Cylindracanthus acus –

Thurmond J. T. & Jones D. E. 1981: 107