Aptarimas:Vorombe

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The syntype series of Vorombe titan includes a femur (NHMUK A439) and tibiotarsus (NHMUK A437) found in Itampolo (Itampulu Vé), Madagascar, with the femur originally being the lectotype of Aepyornis ingens.

The femur of Vorombe is significantly larger than that of Aepyornis and Mullerornis in all measurements. Notable features include enlarged proximal and distal ends, a more acute curvature in the medio-distal margin of the femoral head (caput femoris), the presence of a marked lateral supracondylar ridge, and a medial condyle (condylus medialis) that is expanded medially and flatter than in Aepyornis. The tibiotarsus is extremely large in comparison to Aepyornis and Mullerornis. The proximal and distal ends are enlarged, particularly medio-laterally. It has a more marked narrowing transition into the shaft, which is narrower in proportion to the total length compared to Aepyornis.

The tarsometatarsus is significantly larger and more expanded medio-laterally than in other genera, mainly at the proximal and distal ends. The lateral portion of the proximal articular surface protrudes proximally to the medial portion, creating a prominently angled proximal articular surface similar to that of A. hildebrandti. The tarsometatarsus is larger than Mullerornis in all measurements, and larger than Aepyornis in most measurements.

Samples from two femora assigned to Vorombe titan (specimens MNHN MAD 364 and NHMUK A2142) were sent for accelerator mass spectrometer carbon-14 dating at the Oxford Radiocarbon Accelerator Unit and calibrated using ShCal13. Both specimens were dated to the Holocene (3,680 to 2,352 BP). Kails (aptarimas) 14:30, 3 vasario 2023 (EET)[atsakyti]