Draft:Brevirostrodelphis

Brevirostrodelphis
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Artiodactyla
Infraorder:	Cetacea
Genus:	†Brevirostrodelphis; Godfrey and Lambert, 2023
Species:	†B. dividum
Binomial name
	†Brevirostrodelphis dividum; True, 1912

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Instructions · What links here · Brevirostrodelphis (talk: + · bio) · (log) · Copyvios report · reFill · Easy tools: Citation bot (help) | Advanced: Fix bare URLs · (Search: Google, Wikipedia) · Submitted 24 days ago by ~2026-46951-81 (talk: D · +) · Last edited 24 days ago by ~2026-46951-81

Submission declined on 31 August 2026 by UtherSRG (talk).

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Declined by UtherSRG 24 days ago. Last edited by ~2026-46951-81 24 days ago. Reviewer: Inform author.

This draft has been resubmitted and is currently awaiting re-review.

Submission declined on 30 August 2026 by Ethmostigmus (talk).

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Declined by Ethmostigmus 25 days ago.

Submission declined on 29 August 2026 by PeriodicEditor (talk).

This draft appears to contain text generated by a large language model (such as ChatGPT). You cannot use LLMs to generate article content.

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Declined by PeriodicEditor 26 days ago.

Comment: No substantial improvements since previous decline: please rewrite this draft in your own words before resubmitting. Ethmostigmus 🌿 (talk | contribs) 04:17, 30 August 2026 (UTC)

Comment: Delphinium dividum appears to be the type species, not a synonym. PeriodicEditor (talk) 04:14, 29 August 2026 (UTC)

Brevirostrodelphis is an extinct genus of delphinidan odontocete known from the Middle Miocene of the US Eastern Seaboard.

Distribution

Brevirostrodelphis is known from the Middle Miocene of the US Eastern Seaboard and the southern North Sea basin in Belgium.^[1]

Classification

Several authors classified Delphinodon dividum as a member of Kentriodontidae,^[2]^[3]^[4] but recent cladistic analyses find it to be outside Kentriodontidae within Delphinida, with Guo and Kohno (2023) assigning Brevirostrodelphis to Lophocetidae.^[5]^[6]

Taxonomy

Brevirostrodelphis was named as a new species of Delphinodon, D. dividum, in 1912 on the basis of complete remains from the Middle Miocene Calvert Formation of Maryland.^[7]

In a review of odontocetes from the US Eastern Seaboard assigned to Squalodontidae, Dooley (2003) assigned Delphinodon and the type species D. mento to Odontoceti incertae sedis.^[8] Godfrey and Lambert (2023) followed Dooley (2003) in treating Delphinodon as a nomen dubium and re-assigned D. dividum to a new genus, Brevirostrodelphis.^[9]

References

↑ https://riviste.unimi.it/index.php/RIPS/article/view/29019
↑ L. G. Barnes. 1985. The Late Miocene dolphin Pithanodelphis Abel, 1905 (Cetacea: Kentriodontidae) from California. Contributions in Science 367:1-27
↑ S. D. Dawson. 1996. A description of the skull and postcrania of Hadrodelphis calvertense Kellog 1966, and its position within the Kentriodontidae (Cetacea; Delphinoidea). Journal of Vertebrate Paleontology 16(1):125-134
↑ Whitmore, F.C., and Kaltenbach, J.A., 2008. Neogene Cetacea of the Lee Creek Phosphate Mine, North Carolina. Virginia Museum of Natural History Special Publication 14:181-269.
↑ Lambert, O., Bianucci, G., Urbina, M., and Geisler, J.H., 2017. A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families. Zoological Journal of the Linnean Society 179:919-946.
↑ Guo, Z., and Kohno, N., 2023. An Early Miocene kentriodontoid (Cetacea: Odontoceti) from the western North Pacific, and its implications for their phylogeny and paleobiogeography. PLoS ONE 18(2): e0280218. https://doi.org/10.1371/journal.pone.0280218
↑ True, F.W. 1912. Description of a new fossil porpoise of the genus Delphinodon from the Miocene Formation of Maryland. Journal of the Academy of Natural Sciences of Philadelphia 15: 165–194.
↑ Dooley, A. C. Jr 2003. A review of the eastern North American Squalodontidae (Mammalia: Cetacea). Jeffersoniana 11, 26 pp.
↑ S. J. Godfrey and O. Lambert. 2023. Miocene Toothed Whales (Odontoceti) from Calvert Cliffs, Atlantic Coastal Plain, USA. Smithsonian Contributions to Paleobiology 107:29-186

[1] ttps://riviste.unimi.it/index.php/RIPS/article/view/29019

[2] L. G. Barnes. 1985. The Late Miocene dolphin Pithanodelphis Abel, 1905 (Cetacea: Kentriodontidae) from California. Contributions in Science 367:1-27

[3] S. D. Dawson. 1996. A description of the skull and postcrania of Hadrodelphis calvertense Kellog 1966, and its position within the Kentriodontidae (Cetacea; Delphinoidea). Journal of Vertebrate Paleontology 16(1):125-134

[4] Whitmore, F.C., and Kaltenbach, J.A., 2008. Neogene Cetacea of the Lee Creek Phosphate Mine, North Carolina. Virginia Museum of Natural History Special Publication 14:181-269.

[5] Lambert, O., Bianucci, G., Urbina, M., and Geisler, J.H., 2017. A new inioid (Cetacea, Odontoceti, Delphinida) from the Miocene of Peru and the origin of modern dolphin and porpoise families. Zoological Journal of the Linnean Society 179:919-946.

[6] Guo, Z., and Kohno, N., 2023. An Early Miocene kentriodontoid (Cetacea: Odontoceti) from the western North Pacific, and its implications for their phylogeny and paleobiogeography. PLoS ONE 18(2): e0280218. https://doi.org/10.1371/journal.pone.0280218

[7] True, F.W. 1912. Description of a new fossil porpoise of the genus Delphinodon from the Miocene Formation of Maryland. Journal of the Academy of Natural Sciences of Philadelphia 15: 165–194.

[8] Dooley, A. C. Jr 2003. A review of the eastern North American Squalodontidae (Mammalia: Cetacea). Jeffersoniana 11, 26 pp.

[9] S. J. Godfrey and O. Lambert. 2023. Miocene Toothed Whales (Odontoceti) from Calvert Cliffs, Atlantic Coastal Plain, USA. Smithsonian Contributions to Paleobiology 107:29-186

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Draft:Brevirostrodelphis

Distribution

Classification

Taxonomy

References