Ameronothridae, Vitzthum, 1943

Ermilov, Sergey G., Stary, Josef & Block, William, 2012, Morphology of juvenile instars of Ameronothridae (Acari: Oribatida), Zootaxa 3224 (1), pp. 1-40 : 38

Key to genera of known larvae Ameronothridae

1. Gastronotic surface with sclerites and folds................................................................ 2

- Gastronotic surface only with folds...................................................................... 3

2. Rostral seta longer than lamellar seta; gastronotic seta h 1 longer than h 2 ......... Podacarus ( P. auberti auberti Grandjean )

- Rostral seta not longer than lamellar seta; gastronotic seta h 1 shorter than h 2 .......................................................................................... Halozetes -species group 1 ( H. marinus devilliersi Engelbrecht )

3 Sensillus with developed head or absent; if setiform, then not longest seta on body................................ 4

- Sensillus setiform, longest seta on body................................... Aquanothrus ( A. montanus Engelbrecht )

4. Interlamellar seta very short, not longer than rostral seta........................ Ameronothrus ( A. schusteri Schubart )

- Interlamellar seta long, considerably longer than rostral seta.................................................. 5

5. Dorsal gastronotic seta very short; lamellar seta shorter than rostral seta....... Pseudantarcticola ( P. georgiae (Wallwork))

- Some dorsal gastronotic setae long; lamellar seta not shorter than rostral seta......................................................................... Halozetes -species group 2 ( H. crozetensis (Richters) ; H. marionensis Engelbrecht )