Perplexicervix

Perplexicervix; Temporal range: Eocene PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Infraclass:	Neognathae
Genus:	†Perplexicervix; Mayr 2010
Type species
	†Perplexicervix microcephalon; Mayr, 2010
Other species
	P. paucituberculata;

Perplexicervix is a genus of perplexicervicid bird that lived during the Eocene epoch. Its affinities are uncertain but similarities with Otidiformes were noted in tentatively assigned postcranial remains.

Distribution

P. paucituberculata remains hail from the Walton Member of the London Clay Formation and date back to the Ypresian. P. microcephalon appears in the eleventh Mammal-Paleogene zone of Hessen, Germany, its fossils having been found in the Messel Formation.

References

1 2 Mayr, Gerald; Carrió, Vicen; Kitchener, Andrew (9 August 2023). "On the "screamer-like" birds from the British London Clay: An archaic anseriform-galliform mosaic and a non-galloanserine "barb-necked" species of Perplexicervix". Palaeontologia Electronica. doi:10.26879/1301. Retrieved 4 March 2025 – via Palaeontologia Electronica.
↑ Mayr, Gerald (2010). "A new avian species with tubercle-bearing cervical vertebrae from the Middle Eocene of Messel (Germany)". Records of the Australian Museum. 62: 21–28. doi:10.3853/j.0067-1975.62.2010.1537.

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[mayr2023-1] 1 2 Mayr, Gerald; Carrió, Vicen; Kitchener, Andrew (9 August 2023). "On the "screamer-like" birds from the British London Clay: An archaic anseriform-galliform mosaic and a non-galloanserine "barb-necked" species of Perplexicervix". Palaeontologia Electronica. doi:10.26879/1301. Retrieved 4 March 2025 – via Palaeontologia Electronica.

[mayr2010-2] Mayr, Gerald (2010). "A new avian species with tubercle-bearing cervical vertebrae from the Middle Eocene of Messel (Germany)". Records of the Australian Museum. 62: 21–28. doi:10.3853/j.0067-1975.62.2010.1537.