| Abdomen |
The
segmented part of the body that is foled underneath the carapace, fitting
into a depression in the sternum |
| Acuminate |
Tapering
to a point |
| Antenna |
On
the lower,anterior surface of the body one of the outer pair of very short
appendages lying
between
the edge of the front and the buccal cavity |
| Antennule |
On
the lower,anterior surface of the body,one of the inner pairs of very short
appendages
lying
between the edges of the front and the buccal cavity; it lies folded inconspicuously
in a
cavity |
| Canaliculated |
Chanelled
, grooved |
| Canthus |
The
angle at the junction of eyelids |
| Carapace |
The
crab's "shell",covering the dorsal and lateral parts of the body |
| Carinated |
Having
a ridge or keel |
| Carpus |
The
fifth segment from the proximal end of the chelipeds or an ambulatory |
| Chela |
The
grasping ,distal portion of the claw of either of the two chelipeds |
| Costate |
Ribbed |
| Coxa |
The
first segment of a cheliped or ambulatory |
| Dactyl |
The
most distal segment ,the seventh,of a chelipad or ambulatory |
| Elliptical |
pertaining
to oval |
| Endopodite |
Medial
ramus of a biramous appendage |
| Epistome |
Upon
mouth |
| Exognath |
Upon
mouth
Outer
jaws |
| Front |
In
the anterior part of the carapace ,middle section that projects
forward
and down between the orbits |
| Glabrous |
Hairless |
| Gonopad |
In
males , one of the pair of anterior abdominal appendages, situated on the
ventral , proximal part of the abdomen |
| Gonopore |
In
females, one of the pair of genital openings |
| Gressorial |
Adapated
for walking |
| Intercalated |
Inserted
between others |
| Ischium |
On
a maxilla, maxillipeds,chilped,or a ambulatory,the third segment form the
proximal end |
Margin
suborbital |
On
the antero-vertual part of the carapace the lower edge of the orbit |
Margin,
anterolateral |
On
the dorsal part of the carapace, the portion of the side margins immediately
behind the antero-lateral angle |
| Merus |
On
a cheliped or ambulatory,the fourth segment from the proximal end |
| Orbit |
Elongate
trenches on anterior part of carapace in which eyes talk and eye lie when
not in use |
| Palm |
Inner
surface of propodus of chela |
| prehensile |
Capable
of grasping |
| Pterygostomian |
Anteroventral
corner of border of carapace |
| Pubescent |
A
group of short,thickly set setae,often occuring in patches on carapace
and appendages;
appearance
reminiscent of velvet or fur |
| Rhomboidal |
A
quadrilateral with its four sides equal |
| Sulcus |
Groove |
| Third
maxilliped |
Outermost
third pair of mouth part includes broad flat segments that fit closely
on the buccal cavity |
| Tomemtum |
Matted
cottony protruberance |
| Tuberculated |
Covered
with protruberance or swelling |
| Vermiculated |
Marked
with an appearance of worm tracks |