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330 results for “Rajiformes”
Figure 5 in A new Miocene skate from the Central Paratethys (Upper Austria): the first unambiguous skeletal record for the Rajiformes (Chondrichthyes: Batomorphii)
Figure 5. Ostarriraja parva gen. et sp. nov. from the early Miocene of Upper Austria, holotype, NHMW 2005z0283/0097. A, closeup of the tail with the anterior part on the left side; B, detail of the radials in the pectoral disc; C, close-up of the teeth; D, detail of some tail thorns. Abbreviations: mc, Meckel's cartilage; pq, palatoquadrate; th, thorns; vc, vertebral centra. The arrows indicate the rostral direction. Scale bars: A–C = 1 mm; D = 0.5 mm.
Figure 6 in A new Miocene skate from the Central Paratethys (Upper Austria): the first unambiguous skeletal record for the Rajiformes (Chondrichthyes: Batomorphii)
Figure 6. Ostarriraja parva gen. et sp. nov. from the early Miocene of Upper Austria. A, NHMW 2005z0283/0097, close-up of the pelvic girdle and fins of the holotype under UV light; B, restoration. Abbreviations: bas, basipterygium; cr, compound radial; prp, prepelvic process; pub, puboischiadic bar; rad, radials. Scale bars: 10 mm.
Figure 7 in A new Miocene skate from the Central Paratethys (Upper Austria): the first unambiguous skeletal record for the Rajiformes (Chondrichthyes: Batomorphii)
Figure 7. Ostarriraja parva gen. et sp. nov. from the early Miocene of Upper Austria. Three isolated teeth from the holotype NHMW 2005z0283/0097 in A, occlusal; B, lingual; C, labial; and D, lateral view. Scale bar: 200 µm.
FIGURE 7 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 7 | Visceral arches of Rioraja agassizii, MNRJ 50512, female, 505 mm TL. A. jaws; B, D. dorsal and C, E. ventral views of hyoid and gill arches. abc, anterior portion of basibranchial copula; bbc, basibranchial copula; bh, basihyal; cb 1–5, ceratobranchials I–V; mck, Meckel's cartilage; cph, cerato-pseudohyoid; eb 1–5, epibranchials I–V; eph, epi-pseudohyoid; hb 2–4, hypobranchials II–IV; lpbh, lateral projection of basihyal; pb 1–5, pharyngobranchials I–V; pq, palatoquadrate. Scale bar = 5 mm.
FIGURE 6 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 6 | Neurocranium of Rioraja agassizii, MNRJ 50512, female, 505 mm TL. A. dorsal, B. ventral, C. lateral views. II, foramen for the optic nerve; III, foramen for the oculomotor nerve; IV, foramen for the trochlear nerve; VI, foramen for the abducens nerve; acvf, anterior canal vein foramen; af, anterior fontanelle; antf, antorbital facet; apba, foramen for the afferent pseudobranchial artery bp, basal plate; epb, epiphysial bridge; end, endolymphatic foramen; ethn, foramen for the passage of the ethmoidal nerve; fm, foramen magnum; hf, hyomandibular facet; hVII, foramen for the passage of the hyomandibular ramus of the facialis nerve; icf, internal carotid artery foramen; inc, inner nasal cartilage; ins, internasal space; ja, jugal arch; na, nasal aperture; nc, nasal capsule; oc, otic capsule; occ, occipital condyle; onc, outer nasal cartilage; opc, opistotic crest; opd, optic pedicel; opf, ophthalmic foramen; ornc oronasal canal; peri, perilymphatic foramen; pf, posterior fontanelle; pfc, prefacial commissure; pnc, posterior nasal cartilage; pos, postorbital process; pre, preorbital process; prf, parietal fossa; prof, prootic formamen; ptp, pterotic process; ra, rostral appendix; rb, rostral base; rn, rostral node; rs, rostrum; soc, supraorbital crest; sopf, superficial ophtalmic foramen.
FIGURE 2 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 2 | A. Drawing of Rioraja agassizii provided by Müller, Henle (1841). B. Dorsal view of MNHN 2430, male, 405 mm TL (lectotype designated herein and modified from MNHN database). Scale bar = 20 mm.
FIGURE 5 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 5 | Neurocranium of Rioraja agassizii, MZUSP 117280, female, 543 mm TL. A. dorsal, B. ventral views. af, anterior fontanelle; bp, basal plate; epb, epiphysial bridge; end, endolymphatic foramen; icf, internal carotid artery foramen; inc, inner nasal cartilage; ins, internasal space; ja, jugal arch; na, nasal aperture; nc, nasal capsule; oc, otic capsule; occ, occipital condyle; onc, outer nasal cartilage; opf, ophthalmic foramen; peri, perilymphatic foramen; pf, posterior fontanelle; pnc, posterior nasal cartilage; pos, postorbital process; pre, preorbital process; ptp, pterotic process; ra, rostral appendix; rb, rostral base; rn, rostral node; rs, rostrum. Scale bar = 10 mm.
FIGURE 4 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 4 | Ventral view of the head of Rioraja agassizii. A. MZUSP 117280, female, 543 mm TL. B. USP (uncatalogued), male. Scale bars = 20 mm.
FIGURE 9 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 9 | Map showing the geographic distribution of Rioraja agassizii based on material examined in this study (red) and literature (blue).
FIGURE 1 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 1 | Terminology of thorns. alt, alar; idt, interdorsal; iot, interorbital; ist, interespiracular; mct, mediocaudal; mdt, middorsal; mot, midorbital; nut, nuchal; pet, preorbital; pot, postorbital; rst, rostral; sct, scapular; spt, spiracular.
FIGURE 3 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 3 | External morphology and color pattern of Rioraja agassizii. A. dorsal view and B. ventral view of MZUSP (uncatalogued), 424 mm TL; C. dorsal view and D. ventral view of UERJ 1569, female, 466 mm TL; E. MZUSP 117280, female, 543 mm TL; F. MNRJ 50512, female, 505 mm TL. Scale bars = 10 cm.
FIGURE 8 in Redescription of the Rio skate Rioraja agassizii (Rajiformes: Arhynchobatidae) with notes on internal anatomy and intraspecific variation
FIGURE 8 | Pelvic girdle and fin skeleton of Rioraja agassizii, MNRJ 50512, female, 505 mm TL. 1pvr, first pelvic radial segment; 1pvrc, condyle for the first pelvic radial segment; bpt, basipterygium; lpp, lateral pelvic process; obf, obturator foramen; pib, pubischiadic bar; pvr, pelvic radial segments. Scale bar = 10 mm.
Figure 2 in Potential impacts of bottom trawling on species of skates (Rajiformes: Rajidae): the case of the Gulf of Cádiz and the Western Mediterranean
Figure 2. – Landings (kg) of Raja spp., Raja asterias, R. clavata and R. undulata from the Gulf of Cádiz (1985-2018).
Figure 1 in Potential impacts of bottom trawling on species of skates (Rajiformes: Rajidae): the case of the Gulf of Cádiz and the Western Mediterranean
Figure 1. – Marine areas included in the study: the Gulf of Cádiz and the Western Mediterranean Sea (Alboran Sea).
FIGURE 2. Sinobatis kotlyari n in A new deepwater legskate, Sinobatis kotlyari n. sp. (Rajiformes, Anacanthobatidae) from the southeastern Indian Ocean on Broken Ridge
FIGURE 2. Sinobatis kotlyari n. sp., holotype male 331 mm TL, ZMMU P- 17178, in total dorsal view.
Figure 3 in Temporal changes in some Rajiformes species of cartilaginous fish (Chondrichthyes) from the west coast of İskenderun Bay (northeastern Mediterranean)
Figure 3. The mean seasonal CPUE values of species between 2004 and 2011.
Figure 1 in Temporal changes in some Rajiformes species of cartilaginous fish (Chondrichthyes) from the west coast of İskenderun Bay (northeastern Mediterranean)
Figure 1. Sampling area (trawling stations at 10 and 20 m).
FIGURE 4 in Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific) with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi
FIGURE 4. Ventral view of Bathyraja sexoculata sp. nov., ZMMU-P 24098, holotype, 346 mm TL, immature male, preserved. (A) head, (B) pelvic region, (C) tail
FIGURE 13 in Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific) with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi
FIGURE 13. Plots of principal component (PC) scores for Bathyraja sexoculata sp. nov. and B. smirnovi, based on 12 measurements. (A) PCs 1 and 2, (B) PCs 3 and 4. Red stars, B. sexoculata; black dots, B. smirnovi from southern Sea of Japan; gray dots, B. smirnovi from northern Sea of Japan; white dots, B. smirnovi from Sea of Okhotsk
FIGURE 12 in Bathyraja (Arctoraja) sexoculata sp. nov., a new softnose skate (Rajiformes Arhynchobatidae) from Simushir Island, Kuril Islands (western North Pacific) with special reference to geographic variations in Bathyraja (Arctoraja) smirnovi
FIGURE 12. Plots of selected morphometric characters in Bathyraja sexoculata sp. nov. and B. smirnovi. (A) disc width, (B) disc length, (C) head length, (D) preoral length, (E) prenarial length, (F) internarial distance, (G) eye diameter, (H) tail length. Red stars, B. sexoculata; black dots, B. smirnovi from southern Sea of Japan; gray dots, B. smirnovi from northern Sea of Japan; white dots, B. smirnovi from Sea of Okhotsk
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