Microloxoconcha Hartmann, 1954

Tanaka, Hayato & Ohtsuka, Susumu, 2019, Two New Species of Microloxoconcha (Crustacea: Ostracoda) from the Sublittoral Zone in Western Japan, Species Diversity 24, pp. 217-228 : 226-227

Key to species of Microloxoconcha Hartmann, 1954

1 Second podomere of antennula with one postero-distal seta............................. M. santacruzensis

– Second podomere of antennula lacks postero-distal seta............................................2

2 Copulatory duct of male copulatory organ is long flagellated........................ M. sublittoralis n. sp.

– Copulatory duct of male copulatory organ is short and stout...........................................3

3 Exopodite of antenna is three segmented...........4

– Exopodite of antenna is two segmented.............5

4 Second podomere of seventh limb possess one stout antero-distal spine............... M. toyoshioae n. sp.

– Second podomere of seventh limb possesses two slen- der antero-distal setae.................... M. fragilis

5 Distal part of antenna with one terminal claw.......6

– Distal part of antenna with two terminal claws.......7

6 Postero-ventral part of marginal infold of valve is broad................................ M. marinovi

– Postero-ventral part of marginal infold of valve is not broad............................... M. compressa

7 First podomere of fifth limb possesses bundle of setae in middle of anterior margin......................8

– First podomere of fifth limb lacks bundle of setae in middle of anterior margin...................... 10

8 Second podomere of seventh limb possesses stout and long setulous seta.................. M. kikaijimaensis

– Second podomere of seventh limb possesses slender and short simple seta.............................9

9 Third podomere of antennula is square in lateral view.................................... M. dimorpha

– Third podomere of antennula is rectangle in lateral view............................... M. schornikovi

10 Fourth podomere of antennula with three antero-distal setae.................................... M ikeyai

– Fourth podomere of antennula with two antero-distal setae......................................... 11

11 Tip of distal lobe of male copulatory organ is sharp................................... M. subterranea

– Tip of distal lobe of male copulatory organ is dull.................................. M. kushiroensis