Arctogeophilus
Attems, 1909
Species Guides
1Arctogeophilus is a of soil centipedes in the Geophilidae, comprising fourteen distributed across subarctic and temperate regions of Asia, North America, and western Europe. First described as a subgenus by Carl Attems in 1909 and elevated to genus rank by Henri Ribaut in 1910, its name references the northern distribution toward Ursa Major. Species range from 11 mm to 50 mm in length and possess 35 to 69 pairs of legs.
Pronunciation
How to pronounce Arctogeophilus: /ˌɑrktoʊˈdʒiːəˌfaɪləs/
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Identification
in this are distinguished by markedly elongate with labral side pieces that nearly meet medially and an inconspicuous intermediate part. The forcipule is elongate, particularly the first article which bears a denticle; the ultimate forcipule article has a basal denticle. Sterna lack carpophagus structures and usually lack pore clusters. Ultimate legs exceed legs in length, with scattered pores on the basal portion. Leg pair counts range from 35 to 69.
Images
Habitat
Soil-dwelling; occurs in subarctic and temperate regions.
Distribution
Asia, North America, and western Europe.
Similar Taxa
- AlloschizotaeniaPhylogenetic analysis places Arctogeophilus and Alloschizotaenia as sister , forming a clade that is more closely related to each other than to other analyzed genera in Geophilidae.
- PachymeriumForms a sister clade to the Arctogeophilus-Alloschizotaenia group, representing the next closest relatives in phylogenetic analyses of Geophilomorpha.
- SchendyloidesGrouped with Pachymerium in a clade sister to Arctogeophilus and Alloschizotaenia in molecular and morphological phylogenetic studies.