Arctogeophilus Attems, 1909

Dyachkov, Yurii V. & Bonato, Lucio, 2024, An updated synthesis of the Geophilomorpha (Chilopoda) of Asian Russia, ZooKeys 1198, pp. 17-54 : 17

Genus Arctogeophilus Attems, 1909

Diagnosis.

Geophilids with head distinctly elongate; clypeal areas present, variously distinct; labral side-pieces almost touching medially; second maxillary coxosternite medially very short and poorly sclerotized, with statuminia, without anterior inner processes; second maxillary pretarsus claw-like; forcipular tergite distinctly narrower than subsequent tergite, with pleurites exposed dorsally; forcipular coxosternite relatively broad posteriorly, without anterior denticles, with chitin-lines short or absent, with coxopleural sutures subparallel in their anterior half; forcipular trochanteroprefemur distinctly elongate, with distal denticle; forcipular tarsungulum with basal denticle; trunk sternites without “carpophagus” structures; ventral pore-fields usually absent; metasternite of ultimate leg-bearing segment longer than wide; coxopleura usually with sparse pores; legs of the ultimate pair longer than the penultimate legs, often without pretarsus. See Table 2 .