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22 results for “Chaetopterus”
Fig. 5 in Hidden in plain sight, Chaetopterus dewysee sp. nov. (Chaetopteridae, Annelida) - A new species from Southern California
Fig. 5. Maximum likelihood tree of Chaetopterus Cuvier, 1830 spp. COI sequences with the Mesochaetopterus Potts, 1914 clade as outgroup, based on Moore et al. (2017). Only bootstrap supports> 80 are shown. The new species Chaetopterus dewysee sp. nov. and C. variopedatus (Renier, 1804) from the type locality are in bold. Number of sequences included for each terminal is in brackets. Details on sequences that were analyzed can be found in Table 1. Haplotype network for the nine Chaetopterus dewysee sp. nov. sequences is shown next to the tree.
Fig. 4 in Hidden in plain sight, Chaetopterus dewysee sp. nov. (Chaetopteridae, Annelida) - A new species from Southern California
Fig. 4. Chaetopterus dewysee sp. nov. micro-CT surface renderings of the cybertype (SIO-BIC A12034). A. Dorsal view of the whole specimen. B. Lateral view of the whole specimen. C. Frontal view with virtual dissection planes (I–III) showing cross-sections along the body. D–E. Lateral view with a virtual dissection window showing the parapodial musculature of region A. Direct link to cybertype: www.morphdbase.de/?E_Tilic_20200122-S-5.1
Fig. 2 in Hidden in plain sight, Chaetopterus dewysee sp. nov. (Chaetopteridae, Annelida) - A new species from Southern California
Fig. 2. Chaetopterus dewysee sp. nov. A. Habitus of a paratype (SIO-BIC A11653). B–C. Anterior region A, chaetigers are numbered a1–10. D–E. Details of chaetiger a4 cutting chaetae; * marks a developing cutting chaeta. p = palps, ey = eyes, cg = ciliated groove, nt = notopodium.
Fig. 2 in A new species of Chaetopterus (Annelida: Chaetopteridae) from eastern Canada, with a redescription of Chaetopterus norvegicus M. Sars, 1835
Fig. 2. Chaetopterus bruneli sp. nov. A. Latero-dorsal view of holotype CMNA 2015-0016. B. The same in ventral view. C. A4 notopodium of paratype CMNA 2015-0010; white arrow: simple terminal notochaetae, grey arrow: lanceolate simple chaetae, black arrow: stout specialised cutting chaetae. D. In situ tube of Chaetopterus bruneli sp. nov. in the St. Lawrence Estuary at a depth of 350 m, specimen not collected. E–J. Uncini sampled from paratype specimen CMNA 2015-0018. E. Uncinus of B1 anterior neuropodial lobe. F. Uncinus of B1 posterior lobe. G. Uncinus of B3 piston torus. H. Uncinus of B3 ventral lobe. I. Uncinus of C1 lateral lobe. J. Uncinus of C1 ventral lobe. Scale bars: A–B = 5 mm; C = 200 µm; D = 1 cm approx.; E–J = 20 µm.
Figure 2 in Rediscovery and redescription of Entoniscus creplinii Giard and Bonnier, 1887 (Isopoda: Bopyroidea: Entoniscidae) parasitizing Polyonyx gibbesi Haig, 1956 (Decapoda: Anomura: Porcellanidae), a symbiotic crab from the tubes of Chaetopterus cf. variopedatus (Annelida), from North Carolina and Florida, U. S. A.
Figure 2. Entoniscus creplinii Giard and Bonnier, 1887 (USNM 1660598). A) Mature female, lateral view. B) Close-up of side of pleomere 3 showing scales. C) Terminal segment of pleon. D) Female cephalon with host sheath surrounding, en face view. E) Female cephalon with host sheath surrounding, lateral view. F) Female cephalon with host sheath removed, en face view. G) Female cephalon with host sheath removed, lateral view. H) Pleon of female with host sheath partially removed, asterisk showing position of first pleopods still covered by host sheath; stippled region shows channel within which second pleopods lay. Abbreviations: ce = cephalon; he = heart; 2–4 = pleopods 2 to 4. Scales = 0.5 mm (A, D–H); 10 µm (B, C).
Figure 1 in Rediscovery and redescription of Entoniscus creplinii Giard and Bonnier, 1887 (Isopoda: Bopyroidea: Entoniscidae) parasitizing Polyonyx gibbesi Haig, 1956 (Decapoda: Anomura: Porcellanidae), a symbiotic crab from the tubes of Chaetopterus cf. variopedatus (Annelida), from North Carolina and Florida, U. S. A.
Figure 1.Entoniscus creplinii Giard and Bonnier, 1887 (USNM 1660598). A) Mature female, dorsal view. B) Mature female, dorsal view. C) Mature female, lateral view. D) Pleon of female extending to opening at the merus-carpus articulation of the third right walking leg of host Polyonyx gibbesi Haig, 1956. Abbreviations: ce = cephalon; he = heart; 1o–5o = oostegites 1 to 5; 1p–5p = pleomeres 1 to 5; pl = pleural lamellae. Scales = 0.5 mm (A); 1 mm (B–D).
Linked collectors and determiners for: A new species of Chaetopterus (Annelida: Chaetopteridae) from eastern Canada, with a redescription of Chaetopterus norvegicus M. Sars, 1835.
Natural history specimen data linked to collectors and determiners held within, "A new species of Chaetopterus (Annelida: Chaetopteridae) from eastern Canada, with a redescription of Chaetopterus norvegicus M. Sars, 1835". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/fc802397-f995-4145-93d7-fee098887602">https://bionomia.net/dataset/fc802397-f995-4145-93d7-fee098887602</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/fc802397-f995-4145-93d7-fee098887602">https://gbif.org/dataset/fc802397-f995-4145-93d7-fee098887602</a>. Formatted as a Frictionless Data package.
Chaetopterus norvegicus Histology
<p>Azan, serial sections, 5µm</p>
Chaetopterus norvegicus, µCT
<p>Chaetopterus norvegicus, µCT data-set, 6µm</p> <p>SkyScan, 70 KV</p> <p> </p>
FIGURE 7. Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 7. Pinnixa banzu n. sp., paratype, female (5.8 × 11.6 mm), CBM-ZC 12294. A, carapace, dorsal view (setae on left side omitted); B, left chela, outer (extensor) view; C, abdominal somite 6 and telson, outer view (setae omitted). Scale bars: 2 mm for A, C; 1 mm for B.
FIGURE 4. Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 4. Pinnixa banzu n. sp., holotype, male (6.6 × 13.1 mm), CBM-ZC 12293. A, left third maxilliped, outer view (setae omitted); B, merus and carpus of left cheliped, dorsal view (setae omitted); C, left chela, outer (extensor) view; D, left second pereopod, inner view (setae omitted); E, left third pereopod, outer view (setae omitted); F, same, dactylus, inner view; G, left fourth pereopod, outer view (setae omitted); H, same, dactylus, inner view; I, left fifth pereopod, outer view (setae omitted); J, same, dactylus, inner view. Scale bars: 2 mm for B–E, G, I; 1 mm for A, F, H, J.
FIGURE 1 in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 1. Schematic illustration of the fourth pereopod of Pinnixa banzu n. sp., showing measurements of the merus and propodus and terminology specifying surfaces or margins.
FIGURE 6. Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 6. Pinnixa banzu n. sp., paratype, female (5.8 × 11.6 mm), CBM-ZC 12294, showing color in life. A, entire animal in dorsal view; B, same, ventral view.
FIGURE 9. Pinnixa rathbuni Sakai, 1934 in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 9. Pinnixa rathbuni Sakai, 1934, male (5.0 × 10.5 mm), NSMT-Cr 8387. Left ambulatory legs (setae omitted). A, second pereopod, outer view; B. third pereopod, outer view; C, fourth pereopod, outer view; D, same, dactylus, inner view; E, fifth pereopod, outer view; F, same, dactylus, inner view. Scale bars: 1 mm.
FIGURE 3. Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 3. Pinnixa banzu n. sp., holotype, male (6.6 × 13.1 mm), CBM-ZC 12293. A, carapace, dorsal view (setae omitted on left side); B, close up of front and ocular peduncles, dorsal view (setae partially omitted); C, frontal part of carapace, ocular peduncles and antennae, anterior view (setae omitted); D, thoracic sternites 1–4, ventral view (setae omitted); E, left side of thoracic sternite 8, posterior view. Scale bars: 2 mm for A, D–F; 1 mm for B, C.
FIGURE 2. Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 2. Pinnixa banzu n. sp., holotype, male (6.6 × 13.1 mm), CBM-ZC 12293, showing coloration in life. A, entire animal in dorsal view; B, same, ventral view.
FIGURE 8. Pinnixa rathbuni Sakai, 1934. A–C in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 8. Pinnixa rathbuni Sakai, 1934. A–C, male (5.0 × 10.5 mm), NSMT-Cr 8387; D, E, female (4.4 × 8.6 mm), NSMT- Cr 8385. A, carapace, dorsal view (setae on left side omitted); B, D, left chela, outer (extensor) view; C, abdomen, outer view (setae omitted); E, abdominal somite 6 and telson, outer view (setae omitted). Scale bars: 1 mm.
FIGURE 5. A–D, Pinnixa banzu n in A new species of Pinnixa (Crustacea: Decapoda: Brachyura: Pinnotheridae) associated with a tube worm, Chaetopterus cautus (Annelida: Polychaeta), from Tokyo Bay, Japan
FIGURE 5. A–D, Pinnixa banzu n. sp., holotype, male (6.6 × 13.1 mm), CBM-ZC 12293; E–G, Pinnixa rathbuni Sakai, 1934, male (5.0 × 10.7 mm), NSMT-Cr 8387. A, E, left first gonopod, mesial view; B, F, terminal process of left first gonopod, ventral view (setae omitted); C, G, same, dorsal view; D, left second gonopod. Scale bars: 1 mm for A; 0.5 mm for B–G.
Fig. 1 in Hidden in plain sight, Chaetopterus dewysee sp. nov. (Chaetopteridae, Annelida) - A new species from Southern California
Fig. 1. Chaetopterus dewysee sp. nov. A. Live photograph of a paratype (SIO-BIC A11652), showing the three morphologically distinct regions of a chaetopterid annelid; a = region A, b = region B, c = region C. B. Holotype together with its tube (SIO-BIC A11476). C. Larva of Chaetopterus dewysee sp. nov. collected from a plankton sample off La Jolla and sequenced (GenBank: MN991232). D. Habitat of the new species, tubes are marked with arrow-heads.
Fig. 3 in Hidden in plain sight, Chaetopterus dewysee sp. nov. (Chaetopteridae, Annelida) - A new species from Southern California
Fig. 3. Chaetopterus dewysee sp. nov. A. Biramous chaetiger a10 parapodium with a long notopodium and a neuropodial lobe. B. Neuropodial uncinus of chaetiger a10. C. Chaetiger b3 neuropodium with one row of uncini, arrow-head marks the patch of uncini (E) at the upper ventral margin of enlarged fan. D. Aliform notopodium of chaetiger b1. F. Notopodial uncinus of chaetiger b3. G. Biramous region C parapodia. H. Uncini of region C lateral lobe arranged in 2–3 rows. I. Chaetiger c1 uncinus of lateral lobe.
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