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14 results for “Fibularia”
FIGURE 5 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 5. Fibularia coffea, SEM images of paratype (NSMT E-10372, Amami-Oshima Island, Kagoshima Prefecture). A, apical system; B, ambulacrum; C, tubercles; D, tubercles viewed obliquely. Abbreviations: gt = glassy tubercle, mt = miliary tubercle, pt = primary tubercle. Other abbreviations as in Fig. 2.
FIGURE 8 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 8. Live specimens and underwater photographs of collection sites of Fibularia coffea. A, holotype (NSMT E-10371); B, one of the paratypes (NSMT E-10376); C, collection site of holotype at 1 m depth, Ayamaru Cape, Amami-Oshima Island, Kagoshima Prefecture, Japan; D, collection site of one of the paratypes (NSMT E-10372) at 2 m depth, Tsuchi-Hama, Amami-Oshima Island, Kagoshima Prefecture, Japan. Dotted circles indicate the exact collection points.
FIGURE 1 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 1. Sampling sites of Fibularia coffea, F. japonica, and F. ovulum. Locality codes: Maldives: 1, Vavvaru Island; Japan: 2, Amami-Oshima Island; 3, Tanegashima Island; 4, Tomioka; 5, Tsuyazaki; 6, Wada Beach; 7, Suruga Bay; 8, Sagami Bay; 9, Tateyama Bay.
FIGURE 3 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 3. Fibularia coffea, paratype (NSMT E-10372, Amami-Oshima Island, Kagoshima Prefecture). A–C, SEM images of the test; A, aboral view; B, oral view; C, left lateral view; D–F, plate patterns of the test; D, aboral view; E, oral view; F, left lateral view. Pores of each pore pair are linked by fine dotted lines. Interambulacra are shaded. Abbreviations as in Fig. 2.
FIGURE 7 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 7. Fibularia coffea, SEM images of holotype (NSMT E-10371, Amami-Oshima Island, Kagoshima Prefecture). A, primary spine from marginal of test (i, whole; ii, distal end; iii, proximal end); B, primary spine around peristome (i, whole viewed from peristomial side; ii, whole viewed towards peristome); C, miliary spine from marginal of test (i, whole; ii, distal end; iii, proximal end); D, ophicephalous pedicellariae (i, whole; ii, head; iii, tip of stem; iv, enlarged view of peripheral teeth; v, enlarged view of junction between valves; vi, enlarged view of looped structure near hinge of valves; vii, enlarged view of projection at the junction. White arrow head indicates the opening of the looped structure, black arrow heads indicate the projection); E, tridentate pedicellariae (i, head; ii–vi, internal view of valve).
FIGURE 12 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 12. SEM images of Fibularia japonica Shigei, 1982 (NSMT E-10390, Sagami Bay). A, region posterior to periproct; B, primary spine from region posterior to periproct; C, tip of primary spine type shown in A and B. White arrows indicate spatula-shaped primary spines.
FIGURE 10 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 10. SEM images of Fibularia japonica Shigei, 1982 (NSMT E-10390, Sagami Bay). A, apical system; B, apical system; C, ambulacrum; D, tubercles. Abbreviations: gt = glassy tubercle, mt = miliary tubercle, pt = primary tubercle. Other abbreviations as in Fig. 2.
FIGURE 13 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 13. Live specimen of Fibularia japonica (NSMT E-10390, Sagami Bay). A, aboral view; B, enlarged view of aboral surface of anterior ambulacrum. White arrow indicates black pigments.
FIGURE 9. Fibularia japonica Shigei, 1982. A–C in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 9. Fibularia japonica Shigei, 1982. A–C, holotype (UMUTZ-Ecn-SG10-16T, Sagami Bay). A, aboral view; B, oral view; C, left lateral view; D–I, a non-type specimen (NSMT E-10390, Sagami Bay); D–F, SEM images of the test; D, aboral view; E, oral view; F, left lateral view; G–I, plate patterns of the test; G, aboral view; H, oral view; I, left lateral view. Pores of each pore pair linked by fine dotted lines. Interambulacra shaded. Orientations: ab = aboral side; ant = anterior; or = oral side; post = posterior.
FIGURE 4 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 4. Increase of pore number in petal III through growth in F. coffea, F. japonica, and F. ovulum. White circles indicate the specimens collected newly from Japanese waters in this study. Grey circles indicate type specimens (F. japonica) and specimens collected from Maldives (F. ovulum). Grey stars indicate holotype (F. coffea and F. japonica). X-mark in F. japonica indicates the paratype of F. japonica re-identified as F. coffea (UMUTZ-Ecn-SG10-17T No. 7).
FIGURE 2 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 2. Dimensions and pore arrangements of Fibularia species. A, aboral view; B, oral view; C, left lateral view; D, enlarged view of the apical system; E, enlarged view of the petaloid region. Abbreviations are as follows. Dimensions: AL = length of periproct, A-Tp = distance between periproct and posterior edge of test, AW = width of periproct, GD = diameter of gonopore 2 sensu Lovén's system (Lovén 1874), PL = length of petaloid region, PW = width of petaloid region, S-A = distance between peristome and periproct, SL = length of peristome, SW = width of peristome, TH = test height, TL = test length, TW = test width. Morphological terms: g = genital pore, hg = groove in hydropore, o = ocular pore, p = pore pair, ppr = periproct, pst = peristome, ab = aboral; ant = anterior; or = oral; post = posterior.
FIGURE 6 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 6. Increase of gonopore diameter (GD) through growth in F. coffea, F. japonica, and F. ovulum. White circles indicate the specimens collected newly from Japanese waters in this study. Grey circles indicate type specimens (F. japonica) and specimens collected from Maldives (F. ovulum). Grey stars indicate holotype (F. coffea and F. japonica).
FIGURE 14. Fibularia ovulum Lamarck, 1816 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 14. Fibularia ovulum Lamarck, 1816 (NSMT E-10392, Vavvaru Island, Maldives). A–C, SEM images of the test; A, aboral view; B, oral view; C, left lateral view; D–F, plate patterns of the test; D, aboral; E, oral; F, left lateral. Pores of each pore pair linked by fine dotted lines. Interambulacra shaded. Abbreviations as in Fig. 2.
FIGURE 11 in A new species of Fibularia from Japanese waters with a redescription of F. japonica and F. ovulum (Echinodermata: Echinoidea: Clypeasteroida)
FIGURE 11. SEM images of Fibularia japonica Shigei, 1982 (NSMT E-10390, Sagami Bay). A, primary spine from marginal of test (i, whole; ii, distal end; iii, proximal end); B, primary spine around peristome (i, whole viewed from peristomial side ii, whole viewed from towards peristome); C, miliary spine from marginal of test (i, whole; ii, distal end; iii, proximal end); D, ophicephalous pedicellariae (i, head; ii, stem); E, tridentate pedicellariae (i, head; ii–iv, internal view of valve).
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