Published March 31, 2017 | Version v1
Taxonomic treatment Open

Cynthiacetus maxwelli Uhen 2005

Description

Cynthiacetus maxwelli Uhen, 2005

Zeuglodon cf. brachyspondylus – Müller 1849: 26-28. — Kellogg 1936: 248 (in part).

HOLOTYPE. — MMNS VP 445. It includes a partially preserved skull, dentaries, upper and lower dentitions, petro-tympanic complex, humerus, radius, ulna, cervical, thoracic and lumbar vertebrae.

TYPE LOCALITY. — Cynthia Clay Pit, Hinds County, Mississippi, USA.

TYPE HORIZON. — Yazoo Clay Formation, Priabonian, late Eocene.

EMENDED DIAGNOSIS. — Cynthiacetus maxwelli differs mainly from C. peruvianus in having one more cusp on both mesial and distal edges on p3 and p4 (5 and 6 denticles respectively in p3 and p4). It also possesses a longer and lower dome-shaped neural arch on the atlas and shorter and more massive humerus, radius and ulna (cf. below).

Notes

Published as part of Martínez-Cáceres, Manuel, Lambert, Olivier & Muizon, Christian de, 2017, The anatomy and phylogenetic affinities of Cynthiacetus peruvianus, a large Dorudon-like basilosaurid (Cetacea, Mammalia) from the late Eocene of Peru, pp. 7-163 in Geodiversitas 39 (1) on page 16, DOI: 10.5252/g2017n1a1, http://zenodo.org/record/4535622

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Linked records

Additional details

Biodiversity

Family
Basilosauridae
Genus
Cynthiacetus
Kingdom
Animalia
Order
Cetacea
Phylum
Chordata
Scientific name authorship
Uhen
Species
maxwelli
Taxon rank
species
Taxonomic concept label
Cynthiacetus maxwelli Uhen, 2005 sec. Martínez-Cáceres, Lambert & Muizon, 2017

References

  • UHEN M. D. 2005. - A new genus and species of archaeocete whale from Mississippi. Southeastern Geology 43 (3): 157 - 172.
  • MULLER J. 1849. - Uber die fossilen Reste der Zeuglodonten von Nordamerica, mit Rucksicht auf die europaischen Reste aus dieser Familie. G. Reimer, Berlin, 38 p.
  • KELLOGG R. 1936. - A review of the Archaeoceti. Carnegie Institution of Washington Publications 482: 1 - 366.