Odontellidae, Massoud, 1967

Key to the known Iranian species of Odontellidae View in CoL (adapted from Kaprus, 2009)

1 Mucro with one or no intermediate lamellae or teeth. ........................... Axenyllodes caecus (Gisin, 1952) View in CoL

— Mucro with two intermediate lamellae or teeth. ............................................................................................. 2

2 Exsertile sac ventrally between third and fourth antennal segments absent. [Genus Superodontella Stach, 1949 View in CoL ] ........................................................................................................................................................... 3

— Exsertile sac ventrally between third and fourth antennal segments present. ...................... Odontella sp.

3 Thoracic terga II, III and fourth abdominal tergum without m 1 chaetae. ... S. lamellifera (Axelson, 1903) View in CoL

— Thoracic terga II, III and fourth abdominal tergum with m 1 chaetae. ........................................................ 4

4 Head without c 2 chaetae; second and third thoracic tergum with three m-chaetae. .................................... ................................................................................................................. S. montemaceli Arbea & Weiner, 1992 View in CoL

— Head with c 2 chaetae; second and third thoracic tergum with four m-chaetae. ......................................... 5

5 First, second and third tibiotarsus with 14, 14 and 14 chaetae, respectively; anal spines present; antennal segment III with 12 chaetae. ...................................................................... S. rotunda Kaprus, 2009 View in CoL

— First, second and third tibiotarsus with 17, 17 and 16 chaetae, respectively; anal spines absent; antennal segment III with 16–17 chaetae. ................................................................................. S. tyverica Kaprus, 2009 View in CoL