English: Drawing of skull from the Eocene proboscidean Numidotherium koholense^[1] (based on the specimen KAI-18).^[2][3][4][5] Length of trunk and size of ears in grey silhouette outline are speculative.

References

1. ↑ Mahboubi M, Ameur R, Crochet J−Y, Jaeger J.J. (1986), "El Kohol (Saharan Atlas, Algeria): A new Eocene mammals locality in North Western Africa", Palaeontographica 192(1–3): p. 15–49
2. ↑ Mahboubi M, Ameur R, Crochett J.Y. & Jaeger J-J. (1984), "Earliest known proboscidean from early Eocene of north-west Africa", Nature 308(5959): p. 543-544
3. ↑ Sanders W.J, Gheerbrant E, Harris J.M, Saegusa H & Delmer C. (2010). "Proboscidea", in Werdelin L & Sanders W.J. Cenozoic Mammals of Africa (University of California Press), p. 161-251
4. ↑ Noubhani A, Hautier L, Jaeger J-J & Mahboubi M. (2008). "Dental and cranial variability of Numidotherium koholense (Mammalia, Proboscidea) from El Kohol, Eocene, Algeria", Geobios 41(4): p. 515-531
5. ↑ Photos of skull remains from Numidotherium and Barytherium