Pachycondyla petrosa

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Pachycondyla petrosa is an extinct ant species from the Eocene period, approximately 48 million years ago. It was described from fossils found in the Messel Pit in Germany, a key fossil site . This species is known only from fossils and cannot be kept in captivity. Fossil specimens show a body length of about 12.4 mm, with triangulate mandibles, an angulated propodeum, and a high-scaled petiole . As an extinct species, there is no living colony information or care requirements available.