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5 results for “Perkinsiana”
FIGURE 4. Radiolar tips. A in Notes on the species of Perkinsiana (Polychaeta: Sabellidae) from Antarctica with the description of P. brigittae sp. nov.
FIGURE 4. Radiolar tips. A) Perkinsiana antarctica from Bahía Laredo, B) P. milae from BF2/03, C) paratype of P. brigittae sp. nov. Scale bars: 0.15mm. Radiolar flanges as indicated with arrows in C.
FIGURE 3 in Notes on the species of Perkinsiana (Polychaeta: Sabellidae) from Antarctica with the description of P. brigittae sp. nov.
FIGURE 3. Scanning electron micrographs, Perkinsiana brigittae sp. nov. A) Thoracic chaetiger, B) paleate chaetae, C) thoracic uncini and companion chaetae, D) thoracic uncini, E) companion chaetae; F) abdominal uncini; G) chaetiger from anterior abdomen, H) chaetae from anterior abdomen; I) posterior abdominal chaetigers, J) chaetae from posterior abdomen. A–J) Paratype of P. brigittae sp. nov. Scale bars: A, H–J) 100 µm, B) 20 µm, C) 50 µm, D–F) 10 µm, G) 500 µm.
FIGURE 2 in Notes on the species of Perkinsiana (Polychaeta: Sabellidae) from Antarctica with the description of P. brigittae sp. nov.
FIGURE 2. Photographs, Perkinsiana brigittae sp. nov. A, E) Anterior thorax, dorsal view, B, F) same, ventral view, C, G) same, lateral view, D) dorsal and ventral lips, H) Sabellacheres antarcticus attached to a lateral radiole, I) pygidial eyes, dorsal view, J) pygidium, ventral view, K) radiolar tip, L) palmate membrane. A–C) Holotype, D–L) paratypes. Scales bars: A–G (1 mm); H–L (0.5 mm). Abbreviations: (apr) anterior peristomial ring, (dl) dorsal lip, (mr) mid-rib, (vl) ventral lip. Membrane as indicated with arrows in L.
FIGURE 1. Line drawings. A in Notes on the species of Perkinsiana (Polychaeta: Sabellidae) from Antarctica with the description of P. brigittae sp. nov.
FIGURE 1. Line drawings. A) Abdominal chaeta type A, B) abdominal chaeta type B, C) abdominal chaeta type C, D) collar and anterior thorax, dorsal view, E) same, ventral view, F) same, lateral view, G) posterior abdomen, H–I) dorsal and ventral lips, J) thoracic uncinus, K–L) abdominal uncini, M–O) companion chaetae, P) thoracic narrowly-hooded chaeta, Q) thoracic paleate chaeta, R) abdominal narrowly-hooded chaeta. A–C) redrawn from Fitzhugh (1989), D–R) Perkinsiana brigittae sp. nov. Holotype (D–G, J–R). Paratype (H–I). Scale bars: A–C (not scaled); D–I (1 mm); J–R (20 µm). Abbreviations: (apr) anterior peristomial ring, (dl) dorsal lip, (ll) lateral lamella, (mr) mid-rib, (vl) ventral lip.
FIGURE 5 in Notes on the species of Perkinsiana (Polychaeta: Sabellidae) from Antarctica with the description of P. brigittae sp. nov.
FIGURE 5. Latitudinal distribution of Perkinsiana species.
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