. Bonner zoologische Monographien. Zoology. PANESAR, EVOLUTION IN WATER MITES. FIG. 71. Shape of IV-L-5,6 in Anisitsiellides: {\) A. monticolus, (2) A. lundbkdi, (3) A. chilensis, (4) A. Cale- donia, (5) A. circularis, (6) A. tahberabbera, (7) A. to- larda, (8) A. tasmanicus, (9) A. arraphus, (10) ^. par- titus, (11) A. zealandicus [Fig. 1 from Cook (1988), other Figs, from original descriptions as given under "Species included"]. the Anisitsiellinae in a separate genera group for the following reasons: (1) Chelicera with a prominent, rounded elevation at the proximal end of the basa
. Bonner zoologische Monographien. Zoology. PANESAR, EVOLUTION IN WATER MITES. FIG. 71. Shape of IV-L-5,6 in Anisitsiellides: {\) A. monticolus, (2) A. lundbkdi, (3) A. chilensis, (4) A. Cale- donia, (5) A. circularis, (6) A. tahberabbera, (7) A. to- larda, (8) A. tasmanicus, (9) A. arraphus, (10) ^. par- titus, (11) A. zealandicus [Fig. 1 from Cook (1988), other Figs, from original descriptions as given under "Species included"]. the Anisitsiellinae in a separate genera group for the following reasons: (1) Chelicera with a prominent, rounded elevation at the proximal end of the basal seg- ment (not depicted so in A. tabberabbera). The only other genus for which a chelicera with a similar shape is described is Sigthoriella. It is similar to the strong and pointed, dorsal elevation in the middle basal seg- ment found in the Bandakiinae. (2) Sutures C3/C3 and C4/C4 medially present and GF with anterior border posterior to insertions of IV-L. (3) lV-L-5 with 1-3 clearly elongated thin setae (swimming hairs) distally. Genus: Zelandatonia Cook, 1992 [1 sp.] Typus generis: Zelandatonia orion Cook, 1992. Location of genotype: CNM. No material examined. Definition (adults) Characters of the Anisitsiellinae as defined above and: • All four coxal groups close together but not fused; anterior coxal groups extremely small compared to posterior coxal groups. • C4 extended well posterior off the genital field and almost united medially. • GF with anterior border at level of insertions of IV-L. • Insertions of IV-L with condyles. • IV-L with claws reduced to small spines. • IV-L-5 distally with 5 clearly enlarged thin setae (swimming hairs). Species included Zelandatonia orion Cook, 1992 was discovered as a single female only in samples from driven wells in New Zealand. Inventory (adults) DS/VS. DS/VS absent. Dorsum with two pairs of very small platelets, the anterior pair of which bear the postocularia. Venter with excretory pore situated on a small rounded
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