Review Article

Review and Catalog of the Ostracode Family Rutidermatidae (Crustacea: Myodocopa)

Table 6

Summary of characteristics of Alternochelata male.

Specieslizardensisnealeisikorai

Shell length, mm1.361.381.38
Surface with ribs (r) or smooth (s)sss
Incisur shallow or deep *Deep *Deep *Deep
No. medial br. rostrum
 (rostral infold)?76
1st antenna
 no. br. 2nd seg., d.-l.-v.1–11–1–11–1–1
 no. br. 3rd seg., d.-v1–11–11–1
 no. br. 4th seg., d.-v1–41–41–4
 no. fil. sens. br.Numerous33Numerous
 no. fil. b.-br333
 no. fil. c.-br.131213
 no. fil. g.-br.3(1–2)1
2nd antenna
  endop. no. br. 1st seg.666
  endop. no. br. 2nd seg.222
  endop. no. br. 3rd seg.322
Mandible
Basale
 no. d. br. mid.-dist.333
 no. thin v. br. *6? *5
 no. stout v. br. *0? *3
 total no. v. br.688
 exop. + or −+
1st end. seg., no. v. br.333
2nd end. seg., no. d. br.777
2nd end. seg., no. v. br. excl. cl.666
3rd end. seg., no. br. excl. cl.656
Maxilla, no. br. 3 endites6–4–46–6–7(5-6)–4–6
5th limb
 no. br. 3 endites3–4–72–(2-3)–(4-5)(2–4)–4–5
 3rd exop. seg., no. br. each lobe3–22–22–2
5th limb, 4th + 5th segs. no. br.54(3-4)
6th limb
 no. epipodial br.222
 no. br. 4 endites(3-4)–(3-4)–4–32–3–3–23–3–3–(1-2)
 end.-seg., no. br.976
7th limb
 no. terminal cleaning br.2–22–22–2
 no. prox. cleaning br.2–22–2(1-2)–2
 no. comb-teeth9–2(11–13)–013–0
Furca
 no. main claws444
 no. secondary claws566
Copulatory limbs long or short (sh.)sh. *sh.?
USNM Specimen Number#158487#156596#158935

br.: bristles; cl.: claw; d.: dorsal; dist.: distal; endop.: endopodite; excl.: excluding; exop.: exopodite; fil.: filaments; l.: lateral; no.: number; prox.: proximal; seg.: segment; sens: sensory; v.: ventral. *: after Poulsen [10].