- The second podomere from the base of a limb, formed from the fusion of the basis and the ischium of the primitive appendage (Figs. 1, 2) [Warner, 1977].(Order Decapoda):Ischiobasis [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
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IM — The junction between the basi ischium and the merus. It is called IM rather than BM because the junction is with the basi ischium (Figs. 2, 12) [Warner, 1977] … Crustacea glossary
ischiobasis — (Order Decapoda): Segment of appendage (thoracopod) formed by fusion of basis and ischium. (Syn. basi ischium) [Stachowitsch, 1992] … Crustacea glossary
CB — The junction between the coxa and the basi ischium (Fig. 12) [Warner, 1977] … Crustacea glossary