Hahnodon

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Hahnodon
Temporal range: 145–139 Ma
PreꞒ
Ꞓ
O
S
D
C
P
T
J
K
Pg
N
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Synapsida
Clade: Therapsida
Clade: Cynodontia
Clade: Mammaliaformes
Order: †Haramiyida
Family: †Hahnodontidae
Genus: †Hahnodon
Sigogneau-Russell, 1991
Species:
†H. taqueti
Binomial name
†Hahnodon taqueti
Sigogneau-Russell, 1991

Hahnodon ("Hahn's tooth") is an extinct genus of mammaliaforms from the Early Cretaceous Ksar Metlili Formation in Morocco. Although originally considered to be a relatively early member of the extinct clade Multituberculata, recent studies indicate that it instead is a haramiyid.[1]

Fossils and distribution[]

Hahnodon taqueti is based on a single lower molar found in Lower Cretaceous strata in Morocco.

Classification[]

Denise Sigogneau-Russell (1991) classified Hahnodon as a member of Multituberculata, but Ananthataman et al. (2006) considered it to be possibly related to members of Haramiyida.[2] The description of Cifelliodon from North America confirmed that Hahnodon — and by extension, Hahnodontidae — belong to Haramiyida.[3]

References[]

  1. ^ "Fossils: Youngest known haramiyid fossil found in North America | Nature | Nature Portfolio".
  2. ^ S. Anantharaman, G. P. Wilson, D. C. Das Sarma and W. A. Clemens. 2006. A possible Late Cretaceous "haramiyidan" from India. Journal of Vertebrate Paleontology 26(2):488-490
  3. ^ Adam K. Huttenlocker; David M. Grossnickle; James I. Kirkland; Julia A. Schultz; Zhe-Xi Luo (2018). "Late-surviving stem mammal links the lowermost Cretaceous of North America and Gondwana". Nature. in press. doi:10.1038/s41586-018-0126-y.

Bibliography[]

  • Sigogneau-Russell (1991), "First evidence of Multituberculata (Mammalia) in the Mesozoic of Africa". Neues Jahrb Geol Paläontol, Monatshefte, p. 119-125.
  • Kielan-Jaworowska Z & Hurum JH (2001), "Phylogeny and Systematics of multituberculate mammals". Paleontology 44, p. 389-429.
  • Much of this information has been derived from [1] MESOZOIC MAMMALS: Basal Multituberculata, an Internet directory.


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