25.04.2013 Views

Download PDF as one large file - AToL Decapoda

Download PDF as one large file - AToL Decapoda

Download PDF as one large file - AToL Decapoda

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

718 Family Palicidae<br />

Family Palicidae<br />

Genus Palicus Phlippi, 1838<br />

Key to species<br />

[Adapted from Rathbun, 1918]<br />

1. Length of second walking leg not more than twice width of carapace. 2<br />

Length of second walking leg more than twice width of carapace 8<br />

2. (1) L<strong>as</strong>t sternal segment forming thin, laminiform crest conspicuous in dorsal view;<br />

carapace with 3 lateral teeth, exclusive of orbital tooth P. sica<br />

L<strong>as</strong>t sternal segment not forming laminiform crest conspicuous in dorsal view 3<br />

3. (2) Meri of second and third walking legs each having, at its superodistal angle, obtuse<br />

lobe, more or less prominent, sometimes atrophied 4<br />

Meri of second or second and third walking legs each having, at its superodistal<br />

angle, prominent lobe ending in sharp point 6<br />

4. (3) Carapace with four lateral teeth on each side (not counting outer orbital tooth),<br />

diminishing in size from front to back; walking legs with 3 or 4 <strong>large</strong> teeth on<br />

anterior margin P. cristatipes<br />

Carapace with two lateral teeth on each side, sometimes with rudiments of third<br />

farther back; walking legs without <strong>large</strong> teeth on anterior margin except distal tooth ;<br />

.., .5<br />

5. (4) Anterolateral teeth blunt P. alternatus<br />

Anterolateral teeth acute P. affinis<br />

6. (3) Outer suborbital lobe strongly convex on anterior margin; anterolateral teeth blunt.,.<br />

P. obesus<br />

Outer suborbital lobe truncate and nearly straight on anterior margin; anterolateral<br />

teeth acute 7<br />

7. (6) Outer orbital tooth pointing straight ahead; first tooth (excluding outer orbital) oh<br />

lateral margin with posterior border curved, longer than anterior border; tubercles of<br />

carapace very distinct from prominences bearing them P. dentatus<br />

Outer orbital tooth with tips turned inward; first tooth (excluding outer orbital) on<br />

lateral margin subtriangular, borders subequal in length P. faxoni

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!