Arachnida - Pedipalpi

PaleoDB taxon number: 281536

Full reference: A. Petrunkevitch. 1945. Calcitro fisheri, a new fossil arachnid. American Journal of Science 243:320-329

Parent taxon: Thelyphonida according to R. M. Clouse et al. 2017

Sister taxa: Burmathelyphonia, Parageralinura, Uropygi

Subtaxa: Calcitronidae, Hubbardiidae, Protoschizomidae

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Ecology: