FIGURE 8 in Morphological distinction of the Ophioderma Müller & Troschel, 1840 species (Echinodermata: Ophiuroidea: Ophiacanthida: Ophiodermatidae) from the Algerian west coast

FIGURE 8. Canonical variates analysis scatter plot (A) and parameters used (B) in the morphometric study of Ophioderma species collected from Salamndre (●), Stidia-East (□) and Stidia-West (+). AL: Arm Length, AW: Arm Width, ML: Madreporite Length, MW: Madreporite Width, R: Madreporite Ratio, OSL: Oral Shield Length, OSW: Oral Shield Width, WS: the presence or absence of white spots on the ventral arm plates IW: Interraduis Width, AdSh-L: Adoral Shield Length.