Daouitherium is known only from lower jaws and associated cheek teeth. It had lophodont and bilophodont molars, i.e. molars with large ridges. The second and third premolars had a notably large cusp called the hypoconid. Gheerbrant et al. described the teeth as similar to those of other early proboscideans Phosphatherium, Numidotherium, and Barytherium.3
A cladogram of Proboscidea based on the phylogenetic analysis of Hautier et al. 2021 is below:4
Eritherium
Phosphatherium
Daouitherium
Numidotherium
Barytherium
Arcanotherium
Omanitherium
Saloumia
Moeritherium
Deinotheriidae
Dagbatitherium
Palaeomastodon
Phiomia
Elephantimorpha
Gheerbrant, E.; Sudre, J.; Cappetta, H.; Iarochène, M.; Amaghzaz, M.; Bouya, B. (2002). "A new large mammal from the Ypresian of Morocco: Evidence of surprising diversity of early proboscideans" (PDF). Acta Palaeontologica Polonica. 47 (3): 493–506. https://www.app.pan.pl/archive/published/app47/app47-493.pdf ↩
Larramendi, A. (2016). "Shoulder height, body mass and shape of proboscideans" (PDF). Acta Palaeontologica Polonica. 61. doi:10.4202/app.00136.2014. https://www.app.pan.pl/archive/published/app61/app001362014.pdf ↩
Hautier, Lionel; Tabuce, Rodolphe; Mourlam, Mickaël J.; Kassegne, Koffi Evenyon; Amoudji, Yawovi Zikpi; Orliac, Maëva; Quillévéré, Frédéric; Charruault, Anne-Lise; Johnson, Ampah Kodjo Christophe; Guinot, Guillaume (2021-10-13). "New Middle Eocene proboscidean from Togo illuminates the early evolution of the elephantiform-like dental pattern". Proceedings of the Royal Society B: Biological Sciences. 288 (1960). doi:10.1098/rspb.2021.1439. ISSN 0962-8452. PMC 8511763. PMID 34641726. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8511763 ↩