FIGURE 11 in Redescription of Hemieuryale pustulata von Martens, 1867 (Echinodermata, Ophiuroidea) based on Brazilian specimens, with notes on systematics and habitat association
Description
FIGURE 11. Dorsal view of the arms showing the process of differentiation of the dorsal and accessory dorsal arm plates in specimens of Hemieuryale pustulata (UFPB.ECH.2175). (A) First stage of dorsal arm plate; (B) Second stage of dorsal arm plate; (C) Beginning of formation of mosaic of plates; (D) Dorsal surface of the arm totally covered by a mosaic of plates; (E) Two distinct differentiation stages of arm plates (left: beginning of formation of mosaic of plates and accessory dorsal arm plate not swollen; right: mosaic of small plates totally formed and accessory dorsal arm plate swollen). AS: arm spine; DAP: dorsal arm plate; LAP: lateral arm plate; MSP: mosaic of small plates; pc: central plate; pl (I and II): lateral plates.
Notes
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