Systematic Revision Of The Phorusrhacidae (Aves: Ralliformes) Author Alvarenga, Herculano M. F. Museu de História Natural de Taubaté. Rua Colômbia, 99, CEP 12030 - 520, Taubaté, SP, Brasil. halvarenga@uol.com.br Author Höfling, Elizabeth Departamento de Zoologia, Instituto de Biociências, Universidade de São Paulo, Caixa Postal 11.294, CEP 05422 - 970, São Paulo, SP, Brazil. text Papéis Avulsos de Zoologia 2003 2003-12-31 43 4 55 91 journal article 10.1590/S0031-10492003000400001 1807-0205 4900701 Genus Andalgalornis Patterson & Kraglievich Type Species – Andalgalornis ferox Patterson & Kraglievich 1960 (junior synonym of A. steulleti Kraglievich 1931 ). Included Species – Only the type species. Distribution – Upper Miocene and Lower Pliocene of Argentina . Diagnos i s Revised – Upper maxilla proportionally higher than in the rest of the Patagornithinae , with the dorsal portion of the nostrils not raised. The rostral edge of the antorbital fenestra is almost straight and verticalized. The mandibular symphysis is longer, with the apex curved dorsally ( Fig. 26C ). The cer vical vertebrae and especially the cervicodorsal ones, are sturdier than in Patagornis , and comparing herewith to the pelvis, the iliac crests are dorsally joined, forming a dorsal projection which is more prominent in the region above the acetabulum ( Fig. 28B ).