Myrmecotypus O. Pickard-Cambridge, 1894

Perger, Robert & Duperre, Nadine, 2021, Myrmecotypus mazaxoides sp. nov. - a new ground-dwelling, carpenter ant-resembling sac spider species from the Bolivian orocline, with indirect evidence for species-specific mimicry (Araneae, Corinnidae, Castianeirinae), Zoosystematics and Evolution 97 (1), pp. 273-280 : 273

Genus Myrmecotypus O. Pickard-Cambridge, 1894

Type species.

Myrmecotypus fuliginosus O. Pickard-Cambridge, 1894 (by original designation)

Diagnosis.

Cephalic region wide (cephalic index range 64-89), carapace narrowed (carapace index ˂ 60), without thoracic groove but with slight depression instead; PER wider than AER and almost straight to moderately recurved, AME larger than ALE, PME-PME greater than PME-PLE, PLE situated close to lateral margin of cephalic area; abdomen only very slightly petiolated; tibia I ventral spines paired in 2-2, 3-2, 3-3 or 4-4 arrangement; trochanter IV notch usually absent, with only a tiny one, if present ( Perger and Rubio 2021b).