New eremaeozetid mites (Acari: Oribatida: Eremaeozetoidea) from the south-western Pacific region and the taxonomic status of the Eremaeozetidae and Idiozetidae Author Colloff, Matthew J. text Zootaxa 2012 3435 1 39 journal article 10.5281/zenodo.282079 13186f0a-7e29-45d1-9004-d7fd4851960b 1175-5326 282079 Key to species of Retrozetes 1. Apices of lamellae S-shaped: curved posteriorly, then recurved anteriorly; median sclerotised bands of lamellar cuticle forming Y-shaped structure dorsally ( Fig. 15 )................................................ R. novaecaledoniae sp. nov. - Apices of lamellae not S-shaped: only curved posteriorly, not recurved anteriorly; median sclerotised bands of lamellar cuticle sub-parallel or forming V-shaped structure dorsally........................................................... 2 2. Apex of rostrum visible in dorsal orientation, with acute projection; stalk of bothridial seta recurved; apices of lamellae separated by drop-shaped fissure ( Fig. 17 )................................................. R. fernandezi sp. nov. - Apex of rostrum covered by lamellae in dorsal orientation, without acute projection; stalk of bothridial seta not recurved; apices of lamellae separated narrow slit or broad U-shaped or rectangular fissure................................... 3 3. Lamellar cuspides divided by broad rectangular or circular fissure; cerotegument thick, reticulate; lenticulus broader than long; notogastral margin scalloped in region of setae of h series; genital and anal plates separated by distance of half length of genital plate................................................................................................ 4 - Lamellar cuspides divided by narrow slit; cerotegument light, reticulate or amorphous; lenticulus longer than broad; notogastral margin smooth; genital and anal plates almost abutting ( Fig. 14 )....................... R. mirabilis sp. nov. 4. Small species (≤155 μm long), rostral seta long, thick, curved, blunt apically covered in cerotegument; head of bothridial seta broad, club-shaped; setae of ad series spaced equidistantly............................ R. hanswursti ( Mahunka, 1999 ) - Larger species (≥350 μm long), rostral setae short, thin, straight, without thick cerotegument; head of bothridial seta narrow, elongate, expanding apically; setae ad 2-3 positioned close together lateral of anal plates ( Fig. 11 )..... R. koghisensis sp. nov.