Figure 1.
Geographical and stratigraphic setting of Eleutherornis cotei: A) Geographical location of the sites of Lissieu (France) and Egerkingen (Switzerland); B) Stratigraphic level of Eleutherornis cotei from Lissieu and Egerkingen.
Figure 2.
Eleutherornis cotei material from Lissieu.
L71: distal end of left tarsometatarsus (lectotype), A) cranial view, B) caudal view; L72, FSL337282: left median (III) trochleae in lateral view; L68, L69, L70, L73, L135, L470, L468: ungual phalanges; L66, L67: phalanges. L66, L67, L68, L69, L70, L71, L72, and L73: type series described by Gaillard (1937) kept in the Musée des Confluences, Lyon. FSL337282: supplementary material kept in the University Lyon 1, Lyon L135, L470, and L468: supplementary material kept in the Musée des Confluences, Lyon. All scale bars are 1 cm.
Figure 3.
Eleutherornis cotei material from Egerkingen.
Eh.781: anterior part of a pelvis (synsacrum and ilia), A) ventral view, B) dorsal view, C) cranial view; Eh.782: posterior part of a synsacrum, A) ventral view, B) dorsal view. Ef. 998, Ef. 999, Ef. 1000: phalanges; Ef. 1001 and unnumbered: ungual phalanges. Scale bars : 1 cm.
Figure 4.
Comparison of the distal end of the tarsometatarsus in Gastornis parisiensis, Eleutherornis cotei and Psilopterus colzecus.
A) cranial view, B) caudal view, C) distal view. For. Vasc. Dist.: foramen vasculare distale, Inc. Inter. Lat.: Incisura intertrochlearis lateralis. Scale bars: 1 cm.
Figure 5.
Comparisons of the ungual phalanges of South American phorusrhacids (Phorusrhacos sp. and Patagornis marshi) and Eleutherornis cotei. Scale bars: 1 cm.
Figure 6.
Comparison of the pelves (in cranial view) of Eleutherornis cotei (A), Andalgalornis steulleti (B), Procariama simplex (C) and Struthio camelus (D).
ns.: neural spine, il.: ilium. Photograph of Procariama simplex courtesy of Federico Agnolin. Scale bars: 1 cm.
Figure 7.
Paleobiogeographical distribution of the Phorusrhacidae in the Eocene.
Arrows: likely trans-oceanic dispersal routes of the Phorusrhacidae.