Table 3 in A review of primary freshwater crab mandible morphology: terminology and systematic importance (Crustacea: Decapoda: Brachyura)

Table 3. Revised descriptions of the characters of the mandible of adults (A) and hatchlings (H) of the six freshwater crab families included in the present study. Also shown are the revised descriptions of the characters of the mandible of seven marine crab families (two Heterotremata and five Thoracotremata).
FamilySpeciesNumber of mandible palp articlesMandible first articleMandible second articleMandible third and fourth articlesMandible terminal article (A2)DeckeniidaeHydrothephusa agilis (A)3CoxaBasisEndopods 1 and 2RidgedDeckeniidaeGlobonautes macropus (A)3CoxaBasisEndopods 1 and 2BilobedDeckeniidaeDeckenia mitis (A)3CoxaBasisEndopods 1 and 2SimpleGecarcinucidaeHolthusiana biroi (H)3CoxaBasisEndopods 1 and 2BilobedGecarcinucidaeMaydelliathelphusa lugubris (A)3CoxaBasisEndopods 1 and 2BilobedPseudothelphusidaeGuinotia dentata (A)3CoxaBasisEndopods 1 and 2BilobedPseudothelphusidaeNeostrengeriana lindigiana (H)3CoxaBasisEndopods 1 and 2BilobedPotamidaeLarnaudia chiaphumi (A)3CoxaBasisEndopods 1 and 2SimplePotamidaeJohora singaporensis (H)3CoxaBasisEndopods 1 and 2SimplePotamonautidaeAcanthothelphusa niloticus (A)3CoxaBasisEndopods 1 and 2SimplePotamonautidaeRotundopotamonautes loveni (H)3CoxaBasisEndopods 1 and 2SimpleTrichodactylidaeDIlocarcinus pagei (H)3CoxaBasisEndopods 1 and 2SimpleTrichodactylidaeSylviocarcinus pictus (A)3CoxaBasisEndopods 1 and 2SimpleEpialtidaeDoclea ovis (A)3CoxaBasisEndopods 1 and 2SimplePortunidaeCallinectes sapidus (A)3CoxaBasisEndopods 1 and 2SimpleGecarcinidaeDiscoplax gracilipes (A)3CoxaBasisEndopods 1 and 2SimpleGecarcinidaeCardisoma armatum (A)3CoxaBasisEndopods 1 and 2SimpleGrapsidaeGoniopsis pelii (A)3CoxaBasisEndopods 1 and 2SimpleSesarmidaeLabuanium politum (A)3CoxaBasisEndopods 1 and 2SimpleVarunidaeEriocheir sinensis (A)3CoxaBasisEndopods 1 and 2Simple
Abbreviations:A2,palp second endopod article (terminal article).