Figure 4 from: Márquez-Borrás F, Solís-Marín FA, Mejía-Ortiz LM (2020) Troglomorphism in the brittle star Ophionereis commutabilis Bribiesca-Contreras et al., 2019 (Echinodermata, Ophiuroidea, Ophionereididae). Subterranean Biology 33: 87-108. https://doi.org/10.3897/subtbiol.33.48721

Figure 4 Scanning electron micrograph (SEM) of tentacle scales from mature Ophionereis commutabilis (a) and O. reticulata (b). SEM of tentacle scale of juvenile O. reticulata (c). SEM of madreporite of O. commutabilis (d) and O. reticulata (e). Orientation (p: proximal, di: distal). Scale bars: 200 μm (a–c); 500 μm (d–e).