Species;"Shared features (mostly fusion of shields1)";"Dorsal shield ornamentation1";"Epipleura2 ornament.";"Dorsal seta Jx";"Insertion of st43";"Other features1";"Notes and references (redescriptions)" venetus;"(1) all shields (HOLOG + METAP + PERIT + PARAP) narrowly fused together; (2) spermatod. with sinuous duct; (3) spermathecae well-sclerotized, distinctive";"smooth with sculptured areas anteriorly (Evans and Till’s text)";smooth;1;stern.;"JV3, ZV2 setae sometimes off HOLOG";"Ryke 1962, Bregetova and Koroleva 1964, Evans and Till 1966, Bregetova 1977a" "placidus *";"smooth except light reticul. near ant. margin";smooth;0–1;stern.;"as above";"Hennessey and Farrier 1988, F.B. pers. obs." sellnicki;"as venetus; reticul. visible only when freshly moulted (Bregetova and Koroleva 1964)";smooth?4;1;stern.;"JV3, ZV2 off HOLOG; z1, z3 absent";"Evans and Till 1966, Solomon 1968, Bregetova 1977a, Kavianpour et al. 2017; also Sellnick (1940), as O. haemisphaericus" hemisphaera;"HOLOG + METAP + PERIT fused [PARAP apparently free]";?;lineate-reticulate?;?;"soft cut.?";"broad idiosoma";"not illustr. in Berlese (1916b); partly illustr. in Ryke (1962), possibly based on Berlese’s types or drawings (see Ryke’s introduction)" interruptus;"(1) HOLOG + METAP + PERIT narrowly fused [PARAP clearly free]; (2) PERIT notched post.";?;?;1;"soft cut.";"MD with 2 small teeth in-between the 2 standard teeth; broad idiosoma"; leptochelae;?;?;?;?;"FD with a total of 8 teeth"; burdwanensis;"HOLOG + METAP + PARA narrowly fused [PERIT free]";?;lineate-reticulate;1;"soft cut.?";; translineatus;smooth?;lineate-reticulate;1;"soft cut.?";"sternal shield with transverse ridge; spermatod. at 90° angle from MD; spermath. distinctive";"similar to O. burdwanensis" wangi;"smooth except lineate anteriorly";lineate-reticulate;0;"soft cut.?";"only 2–4 deutosternal denticles / row";"similar to O. burdwanensis; Keum et al. 2017" "formidabilis *,**";"only METAP + PARAP fused";"light reticul.; lighter and sparser anteriorly";reticulate;0–1;"soft cuticle";"HOLOG with inverse V-shaped ridges; spermatod. elongate; spermath. not discerned";"O. formidabilis sensu Ryke (1962) differs: METAP partly fused to HOLOG, not to PARAP" caucasicus;"only HOLOG + METAP (partly to completely) fused";"similar to placentula or ussuriensis?";lineate-reticulate;0–1;"stern. or soft cut.";"broad idiosoma; spermatheca not discerned";"similar to O. ussuriensis; Bregetova 1977a" dililoensis;"dense scale-like reticul. post., smooth or scattered reticul. ant.";reticulate;0;"soft cut.";"broad idiosoma"; holaspis;"only HOLOG + METAP (partly to completely) fused";"reticulate? (Oudemans’ text says “all shields with large scales”)";?;?;"soft cut.?";"elongate idiosoma";"Oudemans (1903: 11) provided a more complete description than Oudemans (1902b); partly illustr. by Ryke (1962)" mooiensis;"reticulate; reticul. sparser anteriorly";?;0–1;"soft cut. or endop.?";"elongate idiosoma; METAP rarely free (based on syn. O gamagarensis)";"Marais and Loots 1972, Jordan and Loots 1987, Nemati et al. 2018 (notes on characters)" "placentula *";"essentially smooth (finely granulate) or faintly reticulate";lineate-reticulate;0;stern.;"broad idiosoma; sternal shield wider than long, with concave margin; PERIT reaching past coxa IV; spermatheca not discerned";"Sellnick 1940: 69, Ryke 1962, Bregetova and Koroleva 1964, Evans and Till 1966, Bai and Ma 2014" platensis;?;?;?;"soft cut.?";"peritreme short, reaching between coxae I–II; ZV1 absent?";"Ryke 1962 (partial illustration)" rectagoni;?;?;0;"soft cut.?";"j1 seta elongate; broad idiosoma and HOLOG; PARAP truncate; ZV3 apparently on HOLOG";"Karg 1994 (male chelicera and spermatodactyl)" sinensis;?;?;?;"soft cut.?";;"Ryke 1962 (partial illustration)" ussuriensis;"polygonal reticul. scarcely evident (text)";lineate-reticulate;0?;stern.;"spermatheca not discerned; only 2–3 deutosternal denticles / row";"Bregetova 1977a" bregetovae;"all shields (HOLOG, METAP, PERIT, PARAP) free";"with (scale-like?) reticulation post.";?;0?;?;"elongate idiosoma";"similar to O. tasmanicus and O. sitalensis?" expansus;?;?;0?;"soft cut.";; nasri;"finely granulate?";lineate-reticulate?;0;"soft cut.?";"broad dorsal and sternal shields";"similar to O. obovatus" obovatus;smooth?;?;?;"soft cut.";"broad idiosoma; ZV1 absent?"; paratasmanicus;reticulate;?;0;"soft cut.";"elongate idiosoma; HOLOG rounded laterally";"similar to O. tasmanicus; Ma 2015" sitalaensis;?;reticulate;1;"soft cut.?";"elongate idiosoma"; tasmanicus;"lightly reticulate (Womersley’s text)";?;0;"soft cut.";"Tenorio (1982) indicates broader idiosomal shields than those in Womersley (1956)";"Tenorio 1982 (photograph)"