Nyctodon

Nyctodon; Temporal range:
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Family:	†Pucadelphyidae
Genus:	†Nyctodon
Species:	†N. ladevezeae
Binomial name
	†Nyctodon ladevezeae; Carneiro et al., 2026

Nyctodon is an extinct monotypic genus of metatherian mammal that lived in Brazil during the Palaeogene period.

Description

Nyctodon possessed small entoconids, extremely enlarged hypoconulids, large and broad trigonids relative to talonids, and a broad, V-shaped protocone characterised by a well-developed protoconal bulge.^[1]

References

↑ Carneiro, Leonardo M.; Bampi, Hugo; Da Silva, Rafael Costa (3 February 2026). "A new pucadelphyid (Metatheria) from the Itaboraí Basin (late Paleocene-early Eocene): systematic affinities, taxonomic revision, and evolutionary inferences for Pucadelphyda". Journal of Mammalian Evolution. 32 (4). doi:10.1007/s10914-025-09783-2. ISSN 1064-7554. Retrieved 3 April 2026 – via Springer Nature Link.

[1] Carneiro, Leonardo M.; Bampi, Hugo; Da Silva, Rafael Costa (3 February 2026). "A new pucadelphyid (Metatheria) from the Itaboraí Basin (late Paleocene-early Eocene): systematic affinities, taxonomic revision, and evolutionary inferences for Pucadelphyda". Journal of Mammalian Evolution. 32 (4). doi:10.1007/s10914-025-09783-2. ISSN 1064-7554. Retrieved 3 April 2026 – via Springer Nature Link.

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