Download PDF as one large file - AToL Decapoda

Genus Paguristes Dana, 1852
Family Diogenidae 333
Key to species
| Based on Provenzano, 1959, and McLaughlin and Provenzano, 1974a]
1. Rostrum broadly rounded or pointed, but not advanced beyond level of lateral
projections on front of anterior shield of carapace 2
Rostrum slender and definitely advanced beyond level of lateral projections on front
of anterior shield of carapace 6
2. (1) Eye scales adjacent, ending in more than 1 terminal spine P. hummi
Eye scales separated, ending in acuminate tip 3
3. (2) Anterolateral sides of anterior shield of carapace definitely spiny 4
Anterolateral sides of anterior shield of carapace not spiny. 5
4. (3) Cornea narrow and tapering anteriorly to blunt point; anterolateral sides of anterior
shield of carapace with about 3 transverse rows of spinules; second antennal
segment with two spines on anterior margin, one on each side of base of antennal
acicle ..P. oxyophthalmus
Cornea broad and not tapering anteriorly; anterolateral sides of anterior shield of
carapace roughened by scattered spiny granules; second antennal segment with
several spines on lateral margin P. lymani
5. (3) Rostrum very poorly developed, obtusely triangular or broadly rounded, or often
obsolete P. laticlavus
Rostrum short, obtusely pointed, slightly less advanced than more acute lateral
projections P. moorei
6. (1) Anterior shield of carapace not noticeably longer than broad 7
Anterior shield of carapace noticeably longer than broad 12
7. (6) Antennular peduncles extending beyond eyestalks 8
Antennular peduncles not extending beyond eyestalks 9
8. (7) Dorsal surface of carapace with numerous small spines or spinules and tufts of
setae laterally P. inconstans
Dorsal surface of carapace hairy towards sides P. triangulatus
9. (7) Upper surface of hands of chelipeds with hairs inconspicuous, not obscuring
spines .. 10
Upper surface of hands of chelipeds with hairs conspicuous, at least obscuring
surface 11