Mammalia - Sirenia - Dugongidae

Alternative combinations: Halitherium (Prototherium) veronense, Halitherium veronense, Prorastoma veronense, Prorastomus veronensis, Protosiren veronense

Synonyms: Halitherium angustifrons de Zigno 1875, Halitherium curvidens de Zigno 1875, Mesosiren dolloi Abel 1904, Paraliosiren suessi Abel 1906, Protosiren dolloi Abel 1904

Full reference: A. de Zigno. 1875. Sirenii fossili trovati nel Veneto. Memorie del Reale Instituto veneto di scienze, lettere ed arti 18:427-456

Belongs to Prototherium according to D. P. Domning 1996

Sister taxon: Prototherium intermedium

Type specimens:

• Prototherium veronense: MGP 25837 & 26300, a skull. Its type locality is Monte Duello, which is in an Eocene marine horizon in Italy.
• Halitherium angustifrons: MGP 12 and 17, a partial skull. Its type locality is Monte Duello, which is in an Eocene marine horizon in Italy.
• Halitherium curvidens: MGP 11, a mandible. Its type locality is Monte Duello, which is in an Eocene marine horizon in Italy.
• Paraliosiren suessi: PIUW 1870.II.216 and 219, a skull.
• Protosiren dolloi: PIUW unnumbered specimen, a maxilla.