Table 4 in Postembryonic development in freshwater crayfish (Decapoda: Astacidea) in an evolutionary context

Table 4. Comparison of the morphologs of each postembrsonic stage of Parastacidae members.
Cherax destructor Clark, 19361)Engaeus cisternarius Suter, 19772)Parastacus brasiliensis (von Martens, 1869) 3)Parastacus nicoleti (Philippi, 1882) 4)Parastacus pugnax (Poeppig, 1835) 5)Stage IEseStalk absentStalk absentStalk absentStalk absentStalk absentCarapaceRostrum bent downward, carapace globular without setaeRostrum bent downward, carapace globular without setaeRostrum bent downward, carapace globular without setaeRostrum bent downward, carapace globular without setaeRostrum bent downward, carapace globular without setaeAntenna 1Seta absent, internal and external flagellum both with 8 segmentsSeta absent, internal and external flagellum with 3–5 segmentsSeta absent, internal and external flagellum with 4–6 segmentsSeta absent internal and external flagellum with 3–4 segmentsSeta absent internal and external flagellum with 4–6 segmentsAntennal scaleSeta absentSeta absentSeta absentSeta absentSeta absentAntenna 2Seta absent, flagellum with 26–28 segmentsSeta absent flagellum with 25 segmentsSeta absent flagellum with 28–30 segmentsSeta absent flagellum with 23 segmentsSeta absent flagellum with 23 segmentsMandibleDentition absentDentition absentDentition absentDentition absentDentition absentMaxilla 1Seta absentSeta absentSeta absentSeta absentSeta absentMaxillipedSeta on distal end of exopodite absentSeta on distal end of exopodite absentSeta on distal end of exopodite absentSeta on distal end of exopodite absentSeta on distal end of exopodite absentPereiopod tipRecurved hookRecurved hookRecurved hookRecurved hookRecurved hookPereiopodSeta absentSeta absentSeta absentSeta absentSeta absentPleopodSeta absentSeta absentSeta absentSeta absentSeta absentTelsonSub-rectangular with rounded border, devoid of setaeSub-rectangular with rounded borderSub-rectangular with rounded borderSub-rectangular with rounded borderSub-rectangular with rounded border, dorsomarginal small tuberclesStage IIEseStalk presentStalk presentStalk presentStalk presentStalk presentRostrumRostrum slightly developed without setae, carapace less globularRostrum slightly developed without setae,carapace less globular?Rostrum slightly developed without setae, carapace less globularRostrum slightly developed without setae, carapace less globularAntenna 1Seta absent, internal and external flagellum both with 8–9 segmentsSeta absent, internal and external flagellum both with 6 segmentsSeta absent,internal and external flagellum with 6–8 segmentsSeta absent, internal and external flagellum with 5–6 segmentsSeta absent, internal and external flagellum both with 6–9 segmentsAntennal scaleSeta absentSeta absentSeta absentSeta absentSeta absentAntenna 2Seta absent, flagellum with 39–41 segmentsSeta absent, flagellum with 29 segmentsSeta absent, flagellum with 34 segmentsSeta absent, flagellum with 29 segmentsSeta absent, flagellum with 31 segmentsMandibleDentition presentDentition presentDentition presentDentition presentDentition presentMaxilla 1Seta presentSeta presentSeta presentSeta?Seta?Maxilla 2Scaphognathite with 3 longer setae on distal partScaphognathite with 3 longer setae on distal partScaphognathite with 3 longer setae on distal partScaphognathite with 1 longer plumose seta on distal partScaphognathite with 1 longer plumose seta on distal partMaxillipedSetae on distal end of exopodite absentSetae on distal end of exopodite absentSetae on distal end of exopodite absentSetae on distal end of exopodite absentSetae on distal end of exopodite absentPereiopod tipRe-curved spineRe-curved spineRe-curved spineRe-curved spineRe-curved spinePereiopodSeta presentSeta presentSeta presentSeta presentSeta presentPleopodLong seta absentLong seta absent???TelsonSub-rectangular with rounded border, dorsomarginal 20 tuberclesSub-rectangular with rounded border, dorsomarginal tuberclesSub-rectangular with rounded border,devoid of setaeSub-rectangular with rounded border,devoid of setaeSub-rectangular with rounded border, dorsomarginal tuberclesStage IIIAntenna 1Seta presentSeta presentSeta presentSeta presentSeta presentAntennal scaleSeta presentSeta presentSeta presentSeta presentSeta presentAntenna 2Seta presentSeta presentSeta presentSeta presentSeta presentMaxilla 1Seta presentSeta presentSeta presentSeta presentSeta presentMaxillipedSetae on distal end of exopodite presentSetae on distal end of exopodite presentSetae on distal end of exopodite presentSetae on distal end of exopodite presentSetae on distal end of exopodite presentPereiopod tipCurved spineCurved spineCurved spineCurved spineCurved spinePleopodSeta presentSeta presentSeta presentSeta presentSeta presentTelsonSegmented with long plumose setaeSegmented with long plumose setaeSegmented with long plumose setaeSegmented with long plumose setaeSegmented with long plumose setae
1)
Present studs, 2) Suter (1977). 3) Noro et al. (2005), 4) Rudolph and Zapata (1986), 5) Rudolph and Rios (1987).
Italic tspe shows the diagonistic characters for each famils and Roman tspe the apomorphic characters in the four families.