International Scholarly Research Notices

Review Article

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

Table 8

Summary of characteristics of mature males in Rutiderma.
(a)
Speciesapexarxdarbyiduxflexfusca gerdhartmanni
Shell length, mm1.291.31.121.051.211.11.48
Surface with ribs (r) or smooth (s)rsrrrrr
Incisur shallow or deepShallow!DeepDeep *Shallow *DeepDeep *Deep
No. of medial br. on rostrum (infold)?68875(12–16)
1st antenna
 no. of br. 2nd seg., d-la1–11–11–11–11–11–11–1
 no. of br. 3rd seg., d.-v2–12–12–12–12–12–12–1
 no. of br. 4th seg., d.-v1–31–31–31–31–31–31–3
 no. of fil. on sens. br.Numerous!NumerousNumerousNumerousNumerous1020
 no. of fil. on b.-br2222222
 no. of fil. on c.-br.111110Numerous10209
 no. of fil. on g.-br.(1–2)211(1–2)21
2nd antenna
 endop. no. of br. on 1st seg.5555555
 endop. no. of br. on 2nd seg.2222222
 endop. no. of br. on 3rd seg.3333333
Mandible
 basale, no. of d. br. mid.-dist.3333333
 basale, no. of thin v. br. *5 *5 *5 *4 *45 *6
 basale, no. of stout v. br. *1 *0 *0 *0 *00 *0
 basale, total no. of v. br.6554456
 1st end. seg., no. of v. br.2222222
 2nd end. seg., no. of d. br.3433343
 2nd end. seg., no. of v. excl. cl.6566666
 3rd end. seg, no. of br. excl. cl.(4–5)454555
Maxilla, no. br. on the 3 endites5–4–6?4–?–??115–4–46–?–?
Fifth Limb
 no. br. on the 3 endites(3–4)–4–62–2–33–4–62–4–3?3–4–53–(3–5–6–7)
 3rd exop. seg., no. br. each ?lobe3–23–23–2??1–23–2
 4th + 5th segs. no. of br.444??54
Sixth Limb
 no. epipodial br.122221(1–2)
 no. of br. on the 4 endites3–2–2–22–2–3–3?–?–2–33–2–2–32–2–3–32–2–2–23–(2–3)–2–3
 end-seg., no. of br.7677767
7th limb
 no. of terminal cleaning br.2–22–22–22–22–22–22–2
 no. of prox. cleaning br.1–22–22–22–22–22–2?
 no. of comb-teeth3–3(2–3) (2–3)3–22–22–22–23–2
Furca, no. of main claws4344433
Furca, no. of secondary claws2322233
Copulatory limbs long or shortsh. *sh. *sh. *sh. *l.sh.?
Specimen Number, # = USNM#158264#193409#152851#194091#1021462ZMUCZMH 27297
(b)
Speciesgyrehartmannijudayikalkeilicinalomae mollita
Shell length, mm1.121.061.031.141.081.211.47
Surface with ribs (r) or smooth (s)rrrrrrr
Incisur shallow or deep *Deep *Deep *Shallow *Deep *Deep *Deep *Deep
No. medial br. on rostrum (rostral infold)(6–8)8(5-6)(7-8)6811
1st antenna
 no. of br. 2nd seg., d-la1–11–11–11–11–11–11–1
 no. of br. 3rd seg., d.-v2–12–12–12–12–12–12–1
 no. of br. 4th seg., d.-v1–31–31–31–31–31–31–3
 no. of fil. on sens. br.Numerous25NumerousNumerousNumerousNumerousNumerous
 no. of fil. on b.-br3223222
 no. of fil. on c.-br.12141011111111
 no. of fil. on g.-br.2111112
2nd antenna
 endop. no. of br. on 1st seg.5455555
 endop. no. of br. on 2nd seg.2222222
 endop. no. of br. on 3rd seg.3333113
Mandible
 basale, no. of d. br. mid.-dist.3333333
 basale, no. of thin v. br. *3 *5 *3? *4 *4 *6
 basale, no. of stout v. br. *3 *1 *3? *2 *2 *0
 basale, total no. of v. br.6665666
 1st end. seg., no. of v. br.2222222
 2nd end. seg., no. of v. br. excl. cl.6666566
 3rd end. seg., no. of br. excl. cl.5655554
Maxilla, no. of br. on the 3 endites?????5–5–7?
5th limb
 no. of br. on the 3 endites3–4–72–3–53–4–72–4–(7-8)2–3–53–4–84–5–7
 3rd exop. seg., no. of br. on each lobe2–23–22–2(1-2)–23–23–22–2
 4th + 5th segs. no. of br.4444344
6th limb
 no. of epipodial br.2222222
no. of br. on the 4 endites3–2–2–33–2–3–33–2–2–33–2–2–?3–1–2–23–2–1–23–2–4–3
 end-seg., no. of br.7777(7-8)67
7th limb
 no. of terminal cleaning br.2–22–22–22–22–22–22–2
 no. of prox. cleaning br.2–2?2–21–12–22–22–2
 no. of comb-teeth(2-3)–(3-4)2–2(2-3)–(2-3)(2-3)–(2-3)(2-3)–(2-3)3–32–3
Furca, no. of main claws4444343
Furca, no. of secondary claws2222323
Copulatory limbs long or shortl.l.? *sh. *ll.?
Specimen Number, # = USNM#157993#158218#158220#159069B#157878#158260#158209
Only female or juvenile: arcuatilis, arx, ferax, chessi, cohenae, compressa, dinochelata, exrex, ferax, irrostrata, leloeuffi, rex, schroederi, tridens, tryx.
(c)
Speciesmortenseninormaniovatarostratarotundasagaxsterrerivox
Shell length, mm1.071.21.591.291.241.050.950.96
Surface with ribs (r) or smooth (s)rrrss!rrr
Incisur shallow or deepDeepDeep *Deep *Deep *Shallow *Deep *Shallow *Deep?
No. medial br. on rostrum (rostral infold)1256(7–9)(6-7)(4-5)88
1st antenna
 no. of br. 2nd seg., d-la1–11–11–11–11–11–111–1
 no. of br. 3rd seg., d.-v2–12–12–12–12–12–12–12–1
 no. of br. 4th seg., d.-v1–31–31–31–31–31–31–31–3
 no. of fil. on sens. br.352023NumerousNumerousNumerousNumerousNumerous
 no. of fil. on b.-br12222222
 no. of fil. on c.-br.1315121112Numerous910
 no. of fil. on g.-br.11112211
2nd antenna
 endop. no. of br. on 1st seg.55555555
 endop. no. of br. on 2nd seg.22222222
 endop. no. of br. on 3rd seg.33323333
 exop., ser. no. of segs. w/o setules22222222
Mandible
 basale, no. of d. br. mid.-dist.33333333
 basale, no. of thin v. br.41 *64 *6 *6 *55
 basale, no. of stout v. br.00 *02 **0 *0 *00
 basale, total no. of v. br.41666655
 1st end. seg., no. of v. br.22222222
 2nd end. seg., no. of d. br.33334433
 2nd end. seg., no. of v. br. excl. cl.66666566
 3rd end. seg., no. of br. excl. cl.56554444
Maxilla, no. of br. on the 3 endites5–4–43–3–25–5–6?????
5th limb
 no. of br. 3 endites3–5–532–4–52–4–43–4–63–4–73–4–73–3–6
 3rd exop. seg., no. br. on each lobe2–2?3–23–22(otd)–23–23–23–2
 4th + 5th segs. no. br.5?444544
6th limb
 no. of epipodial br.11(1-2)12221
 no. of br. on the 4 endites3–2–3–32–2–2–33–1–2–33–1–3–33–2–(2-3)–(2-3)3–2–2–33–2–3–33–2–2–2
 end-seg., no. of br.77776676
7th limb
 no. of terminal cleaning br.2–22–22–22–22–22–22–22–2
 no. of prox. cleaning br.2–22–22–22–22–22–22–22–2
 no. of comb-teeth2–22–313–9(2-3)–(2-3)3–21–1(2-3)–(2-3)3–3
Furca, no. of main claws43343344
Furca, no. of secondary claws23323422
Copulatory limbs long=l or short=sh.sh.l.l.sh.?sh. *l. *sh.
Specimen Number, # = USNMZMUC7406#193675#137687#158228#158215AM P45365#158573#158316
abs.: absent; br.: bristles; d: dorsal; dist.: distal; endop.: endopodite; ex.: exopod; fil.: filaments; no.: number; prox.: proximal; seg.: segment; sens: sensory; v: ventral. (Only female or juvenile: arcuatilis, arx, ferax, chessi, cohenae, compressa, dinochelata, exrex, ferax, irrostrata, leloeuffi, rex, schroederi, tridens, tryx.) *: Poulsen [10].