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11 results for “Ophiolepididae”
Fig. 21. Ophiolepididae Ljungman, 1867 in Taxonomic analysis of the genital plates and associated structures in Ophiuroidea (Echinodermata)
Fig. 21. Ophiolepididae Ljungman, 1867, SEM, unless otherwise noted. A–L. Ophiolepis variegata Lütken, 1856. A. Oral disc, digital image. B. Genital plates at arm. C. adGP, abradial aspect. D. adGP, adradial aspect. E. Radial shield and abGP at arm. F. abGP and adGP articulated. G. abGP, inner aspect. H. Oral shield, inner aspect. I. Madreporite, inner aspect. J–K. Oral GP, uncertain aspects. L. Radial shield, inner aspect.M–P. Ophiotypa simplex Koehler, 1897. M. adGP articulated at arm and under fused radial shields (or radial primary plates). N. oGP, inner aspect. O. oGP, outer aspect. P. Radial shields (or radial primary plates), inner aspect. Scale bars: A–G, L–M, P = 1 mm; H–K = 0.5 mm; N–O = 0.2 mm.
FIGURE 4 in Revision of the genus Ophioteichus H. L. Clark, 1938 (Ophiuroidea: Ophiolepididae)
FIGURE 4. Distribution of the species of the genus Ophioteichus H.L. Clark, 1938. Stars represent O. multispinum; circles O. parvispinum and square O. utinomii comb. nov.
FIGURE 3 in Revision of the genus Ophioteichus H. L. Clark, 1938 (Ophiuroidea: Ophiolepididae)
FIGURE 3. Ophioteichus utinomii (Irimura, 1967), comb. nov.; holotype SMBL-Type 205; A, dorsal view; B, ventral view; C, disc scales; D, radial shields and knobs on the disc; E, jaw details; F, interradial portion of the ventral part of the disc; G, dorsal arm plates with fragmented accessory dorsal arm plates; H, ventral arm plates with accessory ventral arm plates.
FIGURE 2. Ophioteichus multispinum H.L. Clark, 1938, holotype MCZ 5306 in Revision of the genus Ophioteichus H. L. Clark, 1938 (Ophiuroidea: Ophiolepididae)
FIGURE 2. Ophioteichus multispinum H.L. Clark, 1938, holotype MCZ 5306; A, dorsal view; B, ventral view; C, disc scales; D, radial shields and knobs on the disc; E, jaw details; F, interradial portion of the ventral part of the disc; G, dorsal arm plates with fragmented accessory dorsal arm plates; H, ventral arm plates with accessory ventral arm plates.
FIGURE 1. Ophioteichus parvispinum H.L. Clark, 1938 in Revision of the genus Ophioteichus H. L. Clark, 1938 (Ophiuroidea: Ophiolepididae)
FIGURE 1. Ophioteichus parvispinum H.L. Clark, 1938; holotype MCZ 5307; A, dorsal view; B, ventral view; C, disc scales; D, radial shields and knob on the disc; E, jaw details; F, interradial portion of the ventral part of the disc; G, dorsal arm plates with rudimentary accessory dorsal arm plates; H, ventral arm plates with accessory ventral arm plates.
FIGURE 5 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 5. SEM photographs of internal skeletal characters of Amphipholizona perplexa (Nielsen, 1932) new comb. (A) External view of lateral arm plate, detail of the ornamentation; (B) Internal view of lateral arm plate; (C) Distal view of lateral arm plate, detail of spine articulation; (D) Arm spines; (E) Base of arm spine showing articulation, detail of the minute thorns; (F) Dorsal arm plate; (G) Ventral arm plate; (H) Distal view of vertebra; (I) Proximal view of vertebra; (J) Ventral view of vertebra; (L) Lateral view of vertebra. MO: muscle opening; NO: nerve opening.
FIGURE 2 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 2. SEM photographs of internal skeletal characters of Amphipholizona delicata H.L. Clark, 1915. (A) External view of lateral arm plate, detail of the ornamentation; (B) Internal view of lateral arm plate; (C) Distal view of lateral arm plate, detail of spine articulation; (D) Arm spine; (E) Detail of base of arm spine showing articulation; (F) Dorsal view of arm; (G) Dorsal arm plate; (H) Ventral arm plate; (I) Distal view of vertebra; (J) Proximal view of vertebra; (L) Ventral view of vertebra; (M) Dorsal view of vertebra. MO: muscle opening; NO: nerve opening.
FIGURE 1 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 1. Morphological characters of Amphipholizona delicata H.L. Clark, 1915: (A) Dorsal view; (B) Ventral view; (C) Ventral view of the disc; (D) Detail of the oral frame; (E) Ventral view of arm; (F) Dorsal view of the arm. ADS: adoral shield; AS: arm spine; BS: bursal slit; IP: infradental papillae; IT: interrradius; LAP: lateral arm plate; OP: oral papillae; OS: oral shield; RS: radial shield; TS: tentacle scale; VAP: ventral arm plate.
FIGURE 4 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 4. Morphological characters of Amphipholizona perplexa (Nielsen, 1932) new comb. (A) Dorsal view; (B) Ventral view; (C) Detail of the oral frame; (D) Detail of the disc; (E) Genital plates; (F) Ventral view of the arm; (G) Dorsal view of the arm. Abr: abradial genital plate; Adr: adradial genital plate; ADS: adoral shield; AS: arm spine; BS: bursal slit; DAP: dorsal arm plate; IP: infradental papillae; IT: interrradius; LAP: lateral arm plate; OP: oral papillae; OS: oral shield; RS: radial shield; TS: tentacle scale; VAP: ventral arm plate. (Photos 5A, B, F and G courtesy of Rafael B. Moura).
FIGURE 3 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 3. Some internal skeletal characters of Amphipholizona delicata H.L. Clark, 1915: (A) Ventral view of the disc showing the genital plates; (B) SEM image of the pair of adradial genital plate; (C) adradial genital plate, showing the long groove which contacts the two first lateral arm plates (arrow); (D) specimen with disc removed, showing skeletal structures. Abr: abradial genital plate; Adr: adradial genital plate; AS: arm spine; DAP: dorsal arm plate; G: gonad; LAP: lateral arm plate; SA: arm spine articulation; T: teeth.
FIGURE 6 in Taxonomic status of the genera Amphipholizona H. L. Clark, 1915 (Ophiuroidea, Ophiolepididae) and Amphigyptis Nielsen, 1932 (Hemieuryalidae): systematic placement and synonymy
FIGURE 6. Images of type material of Amphipholizona perplexa (Nielsen, 1932) new comb. and pictures of distinct specimens showing some diferences in the patterns of dorsal plates of the disc: (A–B) Photos of syntypes ZMUC OPH 251; (C) Illustrations provided by Nielsen (1932) in original description of species; (D) juvenile specimen showing the primary plates; (D–E) specimens without defined primary plates. (Photos of syntypes courtesy of Tom Schiøtte and 6F courtesy of Rafael B. Moura). CPP: centrodorsal plate; RPP: radial primary plates; RS: radial shield.
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