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50 results for “Oweniidae”
FIG. 2. — Galathowenia minuta n in Review of Oweniidae Rioja, 1917 (Annelida, Palaeoannelida) from Malaysia, with a description of two new species and a key to South China Sea species
FIG. 2. — Galathowenia minuta n. sp. holotype, UMTAnn 2184: A, anterior end, dorsal view; B, posterior end, lateral view; C, grain sand cemented tube; midbody part; D, grain sand cemented tube; posterior end; E, posterior chaetigers with long capillary chaeta; lateral view; F, transverse rows of hooked uncini; mid body; G, hooked uncini in oblique position mid body. Abbreviation: S, segment. Scale bars: A, B, 200 µm; C, D, E, 100 µm; F, G, 10 µm.
FIG. 3. — Owenia unipinnata n in Review of Oweniidae Rioja, 1917 (Annelida, Palaeoannelida) from Malaysia, with a description of two new species and a key to South China Sea species
FIG. 3. — Owenia unipinnata n. sp. holotype, UMTAnn 2186: A, complete full body of individual, with posterior part slightly bend towards the body; B, anterior end, ventral view, stained using rose bengal (microscopic image) with schematic diagram (completed with numbered arrows) of tentacular crown showing simple solitary ramification; C, anterior end, ventral (left) and dorsal (right) views, stained using methylene blue; D, flattened posterior end with broken lobes and gold coloured notochaeta; E, capillary chaeta with densely packed scales; F, hooked uncini with left teeth bend towards the right teeth; G, tori almost encircles the body; H, overlapping quartz grains and shell fragments of tube. Number 1, 2, 3, indicate the number of ramifications. Scale bars: A, 1 mm; B, C, D, G, H, 100 µm; E, F, 5 µm.
FIG. 1 in Review of Oweniidae Rioja, 1917 (Annelida, Palaeoannelida) from Malaysia, with a description of two new species and a key to South China Sea species
FIG. 1. — Sampling positions along the coastal defence structure areas of Kuala Nerus, Terengganu: station 1, groyne (1.1: 5°23'25.7"N, 103°06'59.9"E; 1.2: 5°23'47.5"N, 103°07'04.3"E; 1.3: 5°23'58.0"N, 103°06'26.6"E); station 2, semi-enclosed jetty type breakwater (Inside lagoon: 5°24'08.2"N, 103°06'06.6"E; Outside lagoon: 5°24'12.6"N, 103°06'15.5"E); station 3, parallel breakwater without tombolo (3.1: 5°24'21.6"N, 103°05'56.7"E; 3.2: 5°24'32.4"N, 103°05'54.2"E; 3.3: 5°24'32.0"N, 103°05'45.7"E); station 4, Parallel breakwater with tombolo (4.1: 5°24'38.2"N, 103°05'39.4"E; 4.2: 5°24'45.9"N, 103°05'40.3"E; 4.3: 5°24'42.9"N, 103°05'33.4"E); station 5, Batu Rakit (5°27'09.0"N, 103°02'58.4"E).
Figure 7 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 7. Three specimens from Greenland (USNM 51164) from Blake and Dean (1973). (A) Myriochele heeri in ventro-lateral showing the dorsolateral folds; (B) Myriochele indet. with the anterior end in process of regeneration and with ventral pharyngeal organ everted; (C) Myriochele aff. olgae in lateral view. dlcf, dorsolateral ciliary folds; vpo, ventral pharyngeal organ. Scale bars: 0.5 mm (A, B); 1 mm (C).
Figure 4 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 4. Anterior end of two Myriochele species studied in this work. (A, B) Myriochele heeri Malmgren, 1867 (BIOICE 2257) in lateral and ventral view; (C) Myriochele olgae Blake, 2000 (BIOICE 2152) in latero-ventral view (drawn without cover glass). In (B), the neck ciliated field is observed and notochaetae of chaetigers 4 and 5 are concealed by the body. Scale bars: 0.5 mm.
Figure 11 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 11. (A–G) Myrioglobula malmgreni n. sp. BIOICE 2401 (paratype, MNCN 16.01/10544): (A) anterior end, ventral view; (B) mouth opening with oral ciliary field; (C) detail of oral cilia; (D) detail of mouth ciliary fold; (E) first and second neuropodia; (F) notopodia of segment 6; (G) hooks from fourth chaetiger. (H–L) Specimen from BIOICE 2303 (paratype, IMNH 4110): (H) anterior end, lateral (right) view; (I) detail of head; (J) anterior chaetigers, lateral view; (K) notopodia of chaetiger 5; (L) lateral slit at fourth chaetiger. In (A) and (E), chaetae of first chaetigers numbered. no1–4, notochaetae of chaetigers 1 to 4; ne2–4, neurochaetae of chaetigers 2 to 4; ncf, neck ciliated field; ocf, oral ciliated field.
Figure 3 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 3. Anterior end in ventrolateral view of three Myriochele heeri Malmgren, 1867 syntypes from the Swedish Museum of Natural History identified in this work as M. aff. olgae (A, C, D) and M. heeri (B). (A, B) SMNH 5847 (S. C. Byers' label 6518 # 905, specimens 1/3 and 3/3, respectively); (C, D) SMNH 5848 (S. C. Byers' label 6517 # 906, specimen 2/2), in left and right view. vpo, ventral pharyngeal organ. Scale bar: 1 mm.
Figure 2 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 2. Distribution maps of species. Sectors and BIOICE sampling sites of Myriochele heeri sensu lato and Myrioglobula islandica taken from Parapar (2003a).
Figure 1 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 1. Representations of Myriochele heeri since its original description. (A) Malmgren 1867; (B) Hansen 1882; (C) Wollebaek 1911; (D) Hartmann-Schröder 1971; (E) Nilsen and Holthe 1985; (F) Imajima and Morita 1987; (G) Hayward and Ryland 1995. All redrawn with permission from the original.
Figure 13 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 13. Some examples of Myriochele heeri (2257–2700) and Myriochele olgae (2065–2700) tubes collected in different localities in the BIOICE project. Scale bar: 1 mm.
Figure 5. Myriochele heeri BIOICE 2423 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 5. Myriochele heeri BIOICE 2423. (A) Anterior end, lateral view (right side); (B) chaetiger 13 with two types of notochaetae; (C) posterior end; (D) anterior end, latero-ventral view (left side); (E) head, showing mouth lips, glandular area, and the three ciliated fields; (F) detail of lateral ciliated field; (G) oral ciliated field inside mouth lips; (H) detail of oral cilia; (I) ventral hooks from chaetiger 17. In (A) and (D), first four chaetigers numbered. no1–5, notochaetae of chaetigers 1 to 5; ne4–5, neurochaetae of chaetigers 4 and 5; lno, long notochaetae; sno, short notochaetae; ncf, neck ciliated field; ga, glandular area; lcf, lateral ciliated field; ml, mouth lips; ocf, oral ciliated field.
Figure 10 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 10. Anterior end of two Myrioglobula species studied in this work. (A, B) M. malmgreni n. sp. in lateral (left) and ventral view (holotype, IMNH 4112); (C) M. malmgreni n. sp. (paratype, IMNH 4107) in latero-ventral view; (D, E) M. islandica Parapar, 2003 (paratype, MNCN 16.01/9023) in ventral and lateral (left) view. In (B), notochaetae of chaetigers 3 and 4 are concealed by the body. Scale bars: 0.5 mm.
Figure 12 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 12. Schematic diagrams of anterior end organization, in ventral view, of species studied in this work, showing chaetal composition and relative length of anterior chaetigers. Drawings not at same scale.
Figure 6 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 6. Relationship between bottom water temperature and water depth at sampling sites where Myriochele and Myrioglobula species were found. Data from M. heeri sensu lato and Myrioglobula islandica obtained from Parapar (2003a).
Figure 9 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 9. (A–C) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (D–I) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no1–3, notochaetae of chaetigers 1 to 3; ne2–3, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field.
Figure 8. Myriochele olgae BIOICE 2065 in The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species
Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no1–4, notochaetae of chaetigers 1 to 4; ne3–4, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field.
FIGURE 5 in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 5. Galathowenia quelis Capa et al., 2012. SEM micrographs (AM W.47386, AM W.41287 and AM W.45867). A. Scale covering of thoracic notopodial capillary chaetae; B–C. Abdominal neuropodial hooks, oblique view; D. Posterior region, ventral view; E. Posterior region, dorsal view; F. Tube covering.
FIGURE 10. Owenia picta n in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 10. Owenia picta n. sp. SEM micrographs (AM W.47392, W.45876 and W.45856). A. Branchial crown, ventral view; B. Distal end of a lobe (framed on A), showing distal groove; C. Crown base, ventral view; D. Detail of bilobed structure (framed on C) between first pair of branchial lobes.
FIGURE 9. Owenia picta n in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 9. Owenia picta n. sp. SEM micrographs (AM W.47392, W.45876 and W.45856). A. Anterior end, ventral view; B– C. Anterior end, dorsal view; D. Detail of u1 and u2 of (C).
FIGURE 1 in The Oweniidae (Annelida; Polychaeta) from Lizard Island (Great Barrier Reef, Australia) with the description of two new species of Owenia Delle Chiaje, 1844
FIGURE 1. Map of the study area showing collecting sites of Galathowenia and Owenia species described or reported in this work. In (B−D) arrows facing to cross-shelf sampling sites: EI = Eagle Island; NDI = North Direction Island. Dots refer to material collected during LI Workshop held in August 2013; stars refer to AM material; white star refers to type locality of O. picta n. sp.
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