Parapaguridae Smith, 1882

Lemaitre, R., 1996, Hermit crabs of the family Parapaguridae (Crustacea: Decapoda: Anomura) from Australia: species of Strobopagurus Lemaitre, 1989, Sympagurus Smith, 1883 and two new genera., Records of the Australian Museum 48 (2), pp. 163-221 : 166-167

Parapaguridae Smith, 1882

Key to genera of the family

1.

1972

2.

3.

1885

4. Posterior carapace mostly membranous; unpaired 3rd to 5th TODO TODO

-- Posterior carapace calcified; paired (asymmetrical) 3rd to 5th pleopods...................................................................................... Bivalvopagurus Lemaitre, 1993

5. Shield about as broad as long, or slightly broader than long; rostrum bluntly triangular or broadly rounded; abdomen TODO

-- Shield distinctly longer than broad; rostrum acutely triangular; abdomenstraight TsunogaipagurusOsawa, 1995

6. Shield distinctly broader than long; dactyls of ambulatory legs straight or nearly so; corneae strongly dilated; males with 2nd pleopod having short exopod and strongly twisted distal segment StrobopagurusLemaitre, 1989

--Shield about as broad as long; dactyls of ambulatory legs curved; corneae moderately or weakly dilated; males with 2nd pleopods lacking exopod and distal segment not twisted (2nd pleopodsrarelyabsent)....................................

.

7. Vestigial pleurobranch absent on last thoracic somite............................................................

縭Vestigial pleurobranch present on each side of last thoracic somite ......................................SympagurusSmith,1883,s.s.

8.

縭 TODO TODO TODO TODO

9. Phyllobranchiate or intermediate gills; 4th segment of antennal peduncle armed with dorsodistal spine; length of ocular peduncles, including corneae, at least half length of shield........... Paragiopagurus n.gen.

縭Trichobranchiate gills; 4th segment of antennal peduncle unarmed; length of ocular peduncles, including corneae, less than half length of shield (except Parapagurus bouvieri Stebbing,1910 ) ...................................................................................ParapagurusSmith,1879