Isohypsibius tetradactyloides ( Richters, 1907 ) sensu

Kaczmarek, Łukasz, Michalczyk, Łukasz & Mcinnes, Sandra J., 2015, Annotated zoogeography of non-marine Tardigrada. Part II: South America, Zootaxa 3923 (1), pp. 1-107 : 60

149. Isohypsibius tetradactyloides ( Richters, 1907) sensu lato [F]

Isohypsibius tetradactyloides (Richters) ( Claps & Rossi 1997)

Terra typica: Crozet Archipelago (Indian Ocean)

Argentina:

• 24°30′S, 65°17′W; 1,200 m asl: Jujuy Province, Abra de Santa Laura, lichens on mountain slope. Claps & Rossi (1984)

• 26°08′S, 54°35′W; 150 m asl: Misiones Province, Torocuá stream, 12 km on S of Puerto Esperanza, moss on rock. Claps & Rossi (1988)

• 26°47′S, 65°19′W; 650 m asl: Tucumán Province, Arroyo Horco Molle, mosses from water. Rossi & Claps (1991)

• 27°20′S, 55°03′W; 350 m asl: Misiones Province, Campo Viera, lichen on tree. Claps & Rossi (1988)

Uruguay:

• 31°03′S, 57°38′W; 50 m asl: Salto Department, Arroyo Palomas, mosses or lichens from rocks, trees or posts or aquatic macrophytes. Claps & Rossi (1997)

• 34°28′S, 57°50′W; 0 m asl: Colonia Department, Colonia [Colonia del Sacramento], mosses or lichens on rocks, trees or posts or aquatic macrophytes. Claps & Rossi (1997)

Record numbers: Argentina: 4, Uruguay: 2; total: 6.

Remarks: A largely Palaearctic species with single African, Asian or North American records ( McInnes 1994a), despite the Southern Indian Ocean type locale, which suggests a species complex in need of revision.