File:Gastornis-Diatryma tarsometatarsi - Mayr et al 2024.jpg
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| Description | arsometatarsi of gastornithiforms; the specimens in the top row are shown in their relative sizes to each other, those in the bottom row (except for P and Q) are scaled to the same size to illustrate different proportions; except for H, the top row shows the dorsal view, whereas the plantar view is depicted in the bottom row and in H. A‒D, Gastornis parisiensis from the late Paleocene of Mont de Berru (France), casts of tarsometatarsi from private collections (A-B: MNHN L3093, right side; C-D: MNHN L3092, left side). E-F, Gastornis russelli from the late Paleocene of Mont de Berru (MNHN R3560, left side). G, Gastornis laurenti from the early Eocene of La Borie (France) (MHNT.PAL.2018.22.2, right side). H-I, Diatryma geiselensis from the middle Eocene of the Geisel valley, Germany (GMH Dia 12, left side). J-K, Diatryma geiselensis from the middle Eocene of the Geisel valley (GMH XLI-200-1968, right side). L, distal end of left tarsometatarsus of Diatryma sarasini from the early Eocene of Monthelon (France), uncatalogued cast in GMH; the dotted line indicates the reconstructed trochlea metatarsi IV, which is not preserved in the fossil. M-N, Diatryma gigantea from the early Eocene of Wyoming, USA (AMNH 6169, right side); the erroneously restored midsection of the shaft was digitally removed and the bone was shortened to match its original proportions (see Martin, 1992: figure 5 and Andors, 1992: figure 8 for a complete tarsometatarsus of the species). O, Diatryma sp. from the early Eocene of the Isle of Sheppey (left side, collection of Scott Moore-Fay; additional figures of the specimen can be found on http://sheppeyfossils.com/pages/gastornis_sp.htm). P, D. geiselensis (GMH XLI-200-1968), distal end of mirrored right tarsometatarsus in plantar view. Q, Diatryma sarasini (cast in GMH), distal end of left tarsometatarsus in plantar view; the dotted line indicates the reconstructed trochlea metatarsi IV, which is not preserved in the fossil. The trochleae metatarsorum are identified by Roman numerals. Abbreviations: fvd, foramen vasculare distale; iil, incisura intertrochlearis lateralis. The scale bars equal 50 mm. |
| Date | |
| Source | Gerald Mayr, Cécile Mourer-Chauviré, Estelle Bourdon and Michael Stache: Resurrecting the taxon Diatryma: A review of the giant flightless Eocene Gastornithiformes (Aves), with a report of the first skull of Diatryma geiselensis. Palaeontologia Electronica 27 (3), 2024, pp. a57 (fig. 5), doi:10.26879/1438 |
| Author | Mayr et al. |
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| current | 14:43, 22 December 2024 | | 800 × 530 (300 KB) | DagdaMor (talk | contribs) | {{Information |Description=arsometatarsi of gastornithiforms; the specimens in the top row are shown in their relative sizes to each other, those in the bottom row (except for P and Q) are scaled to the same size to illustrate different proportions; except for H, the top row shows the dorsal view, whereas the plantar view is depicted in the bottom row and in H. A‒D, ''Gastornis parisiensis'' from the late Paleocene of Mont de Berru (France), casts of tarsometatarsi from private collections (A... |
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