Undetermined undetermined

O’Gorman, José Patricio & Otero, Rodrigo A., 2023, Revision of the short-necked Cretaceous plesiosaurians from New Zealand, Comptes Rendus Palevol 22 (6), pp. 77-90 : 79-82

publication ID	https://doi.org/10.5852/cr-palevol2023v22a6
publication LSID	urn:lsid:zoobank.org:pub:AB8DCA69-9BE5-44F1-877D-0E65F73B7186
DOI	https://doi.org/10.5281/zenodo.14224639
persistent identifier	https://treatment.plazi.org/id/0A1587CB-FFB3-754A-8FE3-F889FEBC2A9D
treatment provided by	Felipe
scientific name	Undetermined undetermined
status

Treatment

Elasmosauridae indet .

Cimoliasaurus australis – Lydekker 1889: 221.

Polycotylidae indet . Welles & Gregg 1971: 35.

MATERIAL. — NHMUK 36074 , two posterior cervical centra ( juvenile) .

LOCALITY AND HORIZON. — NHMUK 36074 from Waipara River , South Island, New Zealand. Conway Formation, Maastrichtian ( Wilson et al. 2005; Fig. 1).

REMARKS

NHMUK 36074 was not personally checked, but Lydekker (1889) stated the following: “These specimens cannot be distinguished from the cervicals of the type of P. crassicostatus , figured by Owen in the ‘ Geol. Hag.’ dec. 1, vol. vii. pi. iii., and by Hector, op. cit. pi. xxviii” ( Appendix 1). The latter specimen is clearly referable to a juvenile elasmosaurid ( Welles & Gregg 1971: 36). Therefore, BM 36074 is here referred to Elasmosauridae indet.

Kingdom	Animalia
Phylum	Chordata
Class	Reptilia
SubClass	Sauropterygia
Order	Plesiosauria
SuperFamily	Plesiosauroidea
Family	Elasmosauridae
Genus	Undetermined