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FIGURE 4 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica
FIGURE 4. Holotype of Feracrinus heinzelleri n. sp. (ZSM 0000/1). A: general view with ray broken at Br2/3; B: anal sac in CD interray; C: oral cone, view from broken A ray; D: lateral view of pinnule insertion on arm; E: hyposynostosial brachial showing flat synostosial facet; F: episynostosial brachial, distal facet showing pinnule socket (arrow head) and interbrachial muscular synarthry (arrow); G: lateral view of same brachial (side of pinnule insertion). Star: muscular articulation.
FIGURE 1 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica
FIGURE 1. Stalk articulation in Bathycrinus aldrichianus (USNM E17896). A–B: proximal synarthries, C: mid mesistele synarthry, D–E: distal mesistele synarthries, F: dististele synarthry, A: small juvenile, B–D: medium-sized specimen, E–F: large specimen.
FIGURE 2 in Stalked crinoids (Echinodermata) collected by the R / V Polarstern and Meteor in the south Atlantic and in Antarctica
FIGURE 2. Bathycrinus australis (ZSM 20020004). A–G, I–J: large specimen; H, K–L: juvenile specimen; A–B: views of crown; C: distal stalk with bases of thin roots; D: progressive transition from dististele to mesistele; E: other distal stalk with large roots encrusting pebble; F–H: distal synarthries; I–L: mesistele synarthries.
FIGURE 2. A–G in Hebesuncus mollispinus (Eutardigrada, Hypsibiidae), a new species from maritime Antarctica
FIGURE 2. A–G, Hebesuncus mollispinus sp. nov. A. Cuticular roughness (arrows) of the caudal portion of the body (holotype). B. Bucco-pharyngeal apparatus (holotype). C. and D. Bucco-pharygeal apparatus and claws of a paratype (side No. 5057). E. Leg II claws of the same paratype. A large transparent basal area is visible in the basal portion of the external claws. F. Egg (slide No. 4302). G. Details of the same egg; arrows 'a' indicate the indented basal portion of the egg processes; arrows 'b' indicate transparent areas in the basal portion of the egg processes. Scale bar = 10 µm.
FIGURE 3. A–F, Hebesuncus ryani. A in Hebesuncus mollispinus (Eutardigrada, Hypsibiidae), a new species from maritime Antarctica
FIGURE 3. A–F, Hebesuncus ryani. A. Bucco-pharyngeal apparatus (first paratype, slide No. 4301). B. Details of leg III external claw of a second paratype (slide No. 4301). C. Leg IV claws of the first paratype (slide No. 4301). D. Egg (slide No. 4302). E. and F. Details of the same egg. Arrows indicate transparent areas in the egg processes. G. Egg of Hebesuncus schusteri (slide No. 3280). Scale bar = 10 µm.
FIGURE 1. A in Hebesuncus mollispinus (Eutardigrada, Hypsibiidae), a new species from maritime Antarctica
FIGURE 1. A. Map of Antarctica indicating position of Charcot Island (arrow and square). B. Map of Charcot Island showing the Antarctic Specially Protected Area (ASPA) No. 170. C. Antarctic Specially Protected Area (ASPA) No. 170, Marion Nunataks and unnamed rocky bluff mid way between Mount Monique and Mount Martine (arrow).
FIGURE 4. A–D in Hebesuncus mollispinus (Eutardigrada, Hypsibiidae), a new species from maritime Antarctica
FIGURE 4. A–D, Hebesuncus conjungens from Italy (Apennines) (photos kindly sent by R. Bertolani). A. Detail of the cuticular roughess (slide No. C1268-S16 from the collection of R. Bertolani). B. Bucco-pharyngeal apparatus (slide No. C1268-S3). C. Leg IV claws (slide No. C1268-S3). D. Egg (slide No. C1268-S4). E. and F. Hebesuncus conjungens from Greenland (slide No. 1442). E. Bucco-paryngeal apparatus. F. Leg I, II and III claws of the same specimen. Scale bar = 10 µm.
FIGURE 2. A–C in Some hydrozoans (Cnidaria) from King George Island, Antarctica
FIGURE 2. A–C: Hydractinia angusta Hartlaub, 1904 — fragment of colony showing gastro-, gonozooid, and spine (A); gonozooid (B); cnidome (C). D: Opercularella sp. — hydrothecate pedicel. E, H: Halecium antarcticum Vanhöffen, 1910 — stem internode (E); gonotheca (H). F, G, I: Halecium delicatulum Coughtrey, 1876 — specimen MHNG-INVE-26669, showing hydrothecae (F), stem internodes (G), and a female gonotheca (I). J, K: Halecium ovatum Totton, 1930 — fragment of stem showing branching pattern (J); female fonotheca (K). L, M: Antarctoscyphus elongatus (Jäderholm, 1904) — internodes with hydrothecae (L); gonotheca (M). N–P: Antarctoscyphus spiralis (Hickson & Gravely, 1907) — internode with hydrotheca (N); hydrothecal aperture in frontal view, showing intrathecal cusps (O); gonotheca (P). Q–S: Sertularella gaudichaudi (Lamouroux, 1824) — fragment of stem (Q); hydrotheca (R); female gonotheca (S). T, U: Symplectoscyphus cumberlandicus (Jäderholm, 1905) — fragment of stem (T); female gonotheca (U). V, W: Symplectoscyphus glacialis (Jäderholm, 1904) — fragment of stem (V); gonotheca (W). X–Z: Symplectoscyphus vanhoeffeni Totton, 1930 — fragments of stems from Stn. Ant.06/2011 (X) and Stn. Ant.12/2010 (Y); gonotheca from material from Stn. Ant.06/2011 (Z). Scale bars: 10 µm (C), 100 µm (O), 300 µm (D, R), 400 µm (B), 500 µm (E–I, K–N, P, V–Z), 800 µm (J), 900 µm (T), 1 mm (A, Q, S, U).
FIGURE 4 in A new species of Cirratulus (Annelida: Polychaeta) described from a shallow-water whale bone in Antarctica
FIGURE 4. Cirratulus balaenophilus sp. nov. SEM micrographs. A. Thoracic region; B. Detail of anterior region showing the general arrangement of dorsal tentacles and first branchiae; C. Anterior region showing the nuchal organ; D. Detail of the nuchal organ; E. Detail of splayed fibrils in the capillary chaeta from second notopodia. br, branchiae; dT, dorsal tentacle; nuO, nuchal organ; par, parapodia; per, peristomium; pr, prostomium.
FIGURE 2 in A new species of Cirratulus (Annelida: Polychaeta) described from a shallow-water whale bone in Antarctica
FIGURE 2. Cirratulus balaenophilus sp. nov. A. Preserved holotype (CRBA-9616); B. Living adult paratype (CRBA-9617); C. Holotype stained with Methyl Green; D. Holotype mid-anterior region stained with Methyl Green; E. Living specimen crawling in the opening of one of the galleries in the bone matrix.
FIGURE 1. A in A new species of Cirratulus (Annelida: Polychaeta) described from a shallow-water whale bone in Antarctica
FIGURE 1. A. Map of the area where samples were collected; B. South Shetland Islands, Bransfield Strait and Antarctic Peninsula; C. Deception Island. GdC, "Gabriel de Castilla" Spanish Antarctic Base; Sta. 1, station where experiment was deployed (fresh bone); Sta. 2, additional bone collected via scuba-diving (old bone).
FIGURE 3 in A new species of Cirratulus (Annelida: Polychaeta) described from a shallow-water whale bone in Antarctica
FIGURE 3. Cirratulus balaenophilus sp. nov. A. Anterior region dorsal view (holotype; CRBA-9616); B. Anterior region, lateral view (adult paratype; CRBA-9617); C. Posterior region, lateral view (adult paratype; CRBA-9617). br, branchiae; dT, dorsal tentacle; nuO, nuchal organ; par, parapodia; per, peristomium; pr, prostomium.
FIGURE 2 in Platycuma bamberconfabulor sp. nov. (Crustacea: Cumacea: Nannastacidae) from Antarctica, with a note on the gut of Platycuma
FIGURE 2. Platycuma bamberconfabulor sp. nov. holotype subadult male (NIWA 807091). A, pereopod 1; B, pereopod 2; C, pereopod 3; D, pereopod 4; E, pereopod 5; F, pleonite 6 and uropods.
FIGURE 1 in Platycuma bamberconfabulor sp. nov. (Crustacea: Cumacea: Nannastacidae) from Antarctica, with a note on the gut of Platycuma
FIGURE 1. Platycuma bamberconfabulor sp. nov. holotype subadult male (NIWA 807091). A, side view; B, dorsal view; C, antenna; D, maxilliped 1; E, maxilliped 2; F, maxilliped 3.
FIGURE 57 in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 57. Orbiniella andeepia Narayanaswamy & Blake, 2005. ANDEEP III Station PS-67, 110-4 (SEMs, JAB). A, anterior end, lateral view; B, anterior capillary notosetae; C, notopodial spines and postsetal lamella.
FIGURE 56. Orbiniella landrumae n in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 56. Orbiniella landrumae n. sp. Paratypes (USNM 1013914). A, anterior end, dorsal view; B, capillary notoseta from anterior setiger; C, flail seta from middle body notopodium; D, furcate seta; E, neuropodial spine from posterior setiger; F, ova; G, posterior end, dorsal view.
FIGURE 58. Proscoloplos cygnochaetus Day, 1954. A in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 58. Proscoloplos cygnochaetus Day, 1954. A, anterior end, dorsal view; B, anterior end dorsal view another specimen; C, posterior end, dorsal view; D, parapodium from middle of body (setiger 20); E, neuropodial setal fascicle showing capillaries and swan hooks; F, swan hook. A, D–E, (USNM 65240); B–C, F (USNM 1407115).
FIGURE 54 in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 54. Orbiniella annulata. Holotype, (USNM 55536). A, entire worm in dorsal view; B, three neurosetae and acicula from fourteenth parapodium; C, notosetae from seventh parapodium—Orbiniella spinosa n. sp. Holotype (USNM 1013688). D, entire worm in dorsal view; E, notosetae from anterior setiger; F, neurosetae from setiger 12; G, neurosetae from posterior setiger. A–C, after Hartman (1967).
FIGURE 55 in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 55. Orbiniella uniformis (Hartman, 1967). Holotype (USNM 47329). A, anterior end, dorsal view; B, middle of body showing ovigerous segments, dorsal view; C, posterior end, dorsal view; D, capillary notoseta from setiger 2; E–F, capillary notosetae from setiger 7; G–H, abdominal neuropodial acicula.
FIGURE 51. Naineris argentiniensis n in Polychaeta Orbiniidae from Antarctica, the Southern Ocean, the Abyssal Pacific Ocean, and off South America
FIGURE 51. Naineris argentiniensis n. sp. Holotype (USNM 1013686). A, anterior end, dorsal view; B, abdominal parapodium, anterior view; C, thoracic capillary notoseta; D–F, thoracic neuropodial uncini from rows 1–3.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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