Dobunnodon_mussettae

<i>Dobunnodon</i>

Dobunnodon

Extinct genus of mammaliaforms

Dobunnodon its an extinct genus of docodont from the Middle Jurassic (Bathonian) Forest Marble Formation of England, first discovered in Oxfordshire near the village of Kirtlington. The type species, D. mussettae, was originally named as a species of Borealestes in 2003.[1]

Quick Facts Scientific classification, Binomial name ...

History

In 2003, Borealestes mussettae (originally 'B. mussetti') was named by Denise Sigogneau-Russell, based on isolated molars found in the Bathonian aged Kirtlington Mammal bed of Oxfordshire, England.[1] It differs from B. serendipitus in the details of cusps and ridges on the molar teeth. The species name mussetti was in honour of Dr Frances Mussett, in recognition of her major participation in fossil excavation at Kirtlington Cement Quarry. However, mussetti is the masculine form, and so this has been amended to mussettae by subsequent authors, starting with Alexander Averianov in 2004.[2][3] It was moved to the new genus Dobunnodon in 2021.[4]

Appearance

Dobunnodon is currently only known from isolated molars.[1][4][5] Docodonts are small (shrew to rat sized) mammaliaforms. Dobunnodon is believed to be a basal member of Docodonta.[6]

References

  1. [1]
    Sigogneau-Russell D. (2003) Docodonts from the British Mesozoic. Acta Palaeontologica Polonica 48, 3, 357-374
  2. [2]
    Averianov, A. O. (2004). Interpretation of the Early Cretaceous mammal Peraiocynodon (Docodonta) and taxonomy of some British Mesozoic docodonts. Russian Journal of Theriology 3:1–4.
  3. [3]
    Panciroli, E., Benson, R.B. and Luo, Z.X., (2019). The mandible and dentition of Borealestes serendipitus (Docodonta) from the Middle Jurassic of Skye, Scotland. Journal of Vertebrate Paleontology, 39(3), p.e1621884
  4. [4]
    Panciroli, E.; Benson, R. B. J.; Fernandez, V.; Butler, R. J.; Fraser, N. C.; Luo, Z.-X.; Walsh, S. (2021). "New species of mammaliaform and the cranium of Borealestes (Mammaliformes: Docodonta) from the Middle Jurassic of the British Isles". Zoological Journal of the Linnean Society. 192 (4): 1323–1362. doi:10.1093/zoolinnean/zlaa144.
  5. [5]
    Panciroli, E., Schultz J.A., and Luo, Z-X. (2018). The morphology of the petrosal and stapes of Borealestes (Mammaliaformes, Docodonta) from the Middle Jurassic of Skye, Scotland. Papers in Palaeontology https://doi.org/10.1002/spp2.1233
  6. [6]
    Luo Z-X, and Martin. (2007) Analysis of molar structure and phylogeny of docodont genera. Bulletin of Carnegie Museum of Natural History 39: 27-47


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