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3 results for “Hemipholis”
FIGURE 2 in New light on the nomenclature, taxonomy, and biology of Hemipholis species (Echinodermata: Ophiuroidea: Ophiactidae)
FIGURE 2. Scatter plot for Hemipholis cordifera and Hemipholis gracilis, showing the relationship between the body size in terms of disk diameter, and shape of the second ventral arm plate characterized by the ratio between the ossicle's width and length.
FIGURE 1. Hemipholis cordifera and Hemipholis gracilis. A–C, H. cordifera, LACM 1999-26.2, 7.8 in New light on the nomenclature, taxonomy, and biology of Hemipholis species (Echinodermata: Ophiuroidea: Ophiactidae)
FIGURE 1. Hemipholis cordifera and Hemipholis gracilis. A–C, H. cordifera, LACM 1999-26.2, 7.8 mm disk diameter, from South Carolina; D–F, H. gracilis, LACM 1997-224.001, 7.8 mm disk diameter, from Panama; specimens preserved in ethanol. For each specimen, shown from left to right are: portion of disk in dorsal view, arrowheads indicating pairs of radial shields; basal arm joints on ventral side of disk, arrow indicating second ventral arm plate; basal arm joints in dorsal view, arrowheads indicating middle arm spines. Dorsal arm plates of both species are sometimes fragmented as is the case in Figure C. Scale bars = 1.0 mm.
FIGURE 16. Hemipholis cordifera ZUEC OPH 2203 in Shallow-water brittle stars (Echinodermata: Ophiuroidea) from Araçá Bay (Southeastern Brazil), with spatial distribution considerations
FIGURE 16. Hemipholis cordifera ZUEC OPH 2203 (6.2 mm dd). (A) Dorsal view. (B) Ventral view. (C) Detail of the oral view. (D) Detail of dorsal arm. (E) Detail of ventral arm. (F) Dorsal arm plate. (G) Ventral arm plate. (H-I) Lateral arm plate. (J) Vertebra—proximal surface. (K) Vertebra—distal surface. (L) Vertebra—dorsal surface. (M) Vertebra—ventral surface. Abbreviations: ads: adoral shields; ap: apical papilla; as: arm spine; cpp: central primary plate; d: dorsal; dap: dorsal arm plate; ddi: dorso-distal; ddmf: dorso-distal muscular fossae; di: distal; dk: distal keel; dp: dorso-proximal; ds: disc spine; lg: large groove; lop: lateral oral papilla; ma: madreporite; os: oral shields; p: proximal; pe: perforation; prp: primary radial plate; rs: radial shields; tn: tentacle notch; ts: tentacle scale; v: ventral; vap: ventral arm plate; vdi: ventro-distal; vi: ventral interradius; vp: ventro-proximal; zd: zygoscondyle; zp: zygosphene. Stereomicroscope photos: (A)–(E), scale bar equal to 0.5 mm. SEM photos: (F)–(M), scale bar equal to 100 µm.
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