Arachnida - Phalangiotarbida - Architarbidae

Full reference: A. I. Petrunkevitch. 1945. Palaeozoic Arachnida of Illinois. An enquiry into their evolutionary trends. Illinois State Museum, Scientific Papers 3(2):1-72

Belongs to Paratarbus according to A. I. Petrunkevitch 1953

See also Petrunkevitch 1945 and Petrunkevitch 1949

Sister taxa: none

Type specimen: ISM 14864, an exoskeleton. Its type locality is Mazon Creek (Illinois State Museum collection), which is in a Westphalian D deltaic mudstone in the Carbondale Formation of Illinois.

Ecology:

Distribution: found only at Mazon Creek (Illinois State Museum collection)

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Specimen images are retrieved through the ePANDDA API.