Species: longicervix ALCOBER & PARRISH, 1997
Etymology: specific designation in recognition of the elongation of the cervical
vertebral series in Sillosuchus.
= Genus: Nova PARRISH & ALCOBER, 1992
Holotype: PVSJ-85
Locality: “Cancha de Bochas” Locality, Ischigualasto, Department of Valle Fertil, San Juan Province, Argentina.
Horizon: Ischigualasto Formation.
Biostratigraphy:
Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.
Material: 5 cervical vertebrae, the last 4 dorsal vertebrae, 5 sacrals, and
the first eight caudal vertebrae, (the dorsals, sacrals and caudals preserved
in articulation), both femora, pubes, and ischia, a partial right ilium and
a single parameidan plate.