TY - JOUR
T1 - Ramphastosula (Aves, Sulidae): A new genus from the early pliocene of the pisco formation, peru
AU - Stucchi, Marcelo
AU - Urbina, Mario
PY - 2004/12/10
Y1 - 2004/12/10
N2 - Cranial material from a new genus (Ramphastosula) of Sulidae is described. The material comes from the Early–Lower Pliocene of the Pisco Formation of the central-southern coast of Peru. The skulls are characterized by (1) remarkable convex curvature of the dorsal surface and straight ventral surface of the rostrum, only with a curvature on the third anterior part and the tip of the bill; (2) well developed occipital and temporal regions; (3) broad opisthotic process projecting to the level of postorbital processes; (4) broad temporal fossa, and (5) flat braincase and robust frontal region.
AB - Cranial material from a new genus (Ramphastosula) of Sulidae is described. The material comes from the Early–Lower Pliocene of the Pisco Formation of the central-southern coast of Peru. The skulls are characterized by (1) remarkable convex curvature of the dorsal surface and straight ventral surface of the rostrum, only with a curvature on the third anterior part and the tip of the bill; (2) well developed occipital and temporal regions; (3) broad opisthotic process projecting to the level of postorbital processes; (4) broad temporal fossa, and (5) flat braincase and robust frontal region.
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U2 - 10.1671/0272-4634(2004)024[0974:RASANG]2.0.CO;2
DO - 10.1671/0272-4634(2004)024[0974:RASANG]2.0.CO;2
M3 - Article
SN - 0272-4634
VL - 24
SP - 974
EP - 978
JO - Journal of Vertebrate Paleontology
JF - Journal of Vertebrate Paleontology
IS - 4
ER -