Figure 1.
Dorsal view of Aetobatus narutobiei (FFNU-P-2001; holotype).
Adult male (831 mm DW).
Figure 2.
Ventral view of Aetobatus narutobiei (FFNU-P-2001; holotype).
Adult male (831 mm DW).
Figure 3.
Lateral head view of Aetobatus narutobiei (FFNU-P-2001; holotype).
Adult male (831 mm DW).
Figure 4.
Ventral head view of an adult male and adult female Aetobatus narutobiei.
A. adult male holotype (FFNU-P-2001; 831 mm DW); B. adult female paratype (FFNU-P-2004; 1210 mm DW).
Figure 5.
Jaws of Aetobatus narutobiei (FFNU-P-2015; paratype).
A. upper jaw and B. lower jaw of the dissected adult male (803 mm DW).
Figure 6.
Mandibular arch of Aetobatus narutobiei (FFNU-P-2015; paratype).
Outline illustration (ventral view). Abbreviations: md – mandibular cartilage; tb – tooth band; wp – wing-like process.
Figure 7.
Clasper and clasper skeleton of adult male Aetobatus narutobiei.
Outline illustration of the left clasper. A: dorsal view of intact clasper (holotype FFNU-P-2001); B: dorsal view of clasper skeleton (paratype FFNU-P-2015). Abbreviations: apo – apopyle; axc – axial cartilage; cgr – clasper groove; hyp – hypopyle; mcd – dorsal marginal cartilage; mcv – ventral marginal cartilage; p2– pelvic fin; psp – pseudopera; pss - pseudosiphon; tcd – dorsal terminal cartilage; tcv – ventral terminal cartilage; vcp – ventral covering piece.
Figure 8.
Tail of Aetobatus narutobiei (FFNU-P-2001; holotype).
Lateral view of the anterior tail of the adult male holotype (831 mm DW).
Figure 9.
Neurocranium of Aetobatus narutobiei (FFNU-P-2015; paratype).
Outline illustration. A: dorsal view; B: ventral view; C: lateral view. Abbreviations: apoc – anterior preorbital canal foramen; bp – basal plate; elf – endolymphatic foramen; f – fontanelle; hf – hyomandibular facet; icaf – internal carotid artery foramen; ip – internasal plate; lc – lateral commisure; na – nasal apereture; nc – nasal capsule; of – orbital fissure; plf – perilymphatic foramen; pop – postorbital process; prop – preorbital process; soc – supraorbital crest; sr – sphenopterotic ridge; II – optic nerve foramen; VII – hyomandibular branch of facial nerve foramen.
Figure 10.
Scapulocoracoid of Aetobatus narutobiei (FFNU-P-2015; paratype).
Outline illustration (lateral view). Dashed line indicates where pectoral radials are still attached which obscure structures beneath. Abbreviations: adf – anterodorsal fenestra; ar – anterior ridge; avf – anteroventral fenestra; pvf – postventral fenestra; spf – fenestra of the scapular process.
Figure 11.
Pelvic girdle of Aetobatus narutobiei (FFNU-P-2015; paratype).
Outline illustration (dorsal view). Abbreviations: ilp – iliac process; isp – ischial process; lpp – lateral pelvic process; obf – obturator foramina; pi – puboischiadic bar; ppp – prepelvic process.
Figure 12.
Dorsal view of Aetobatus narutobiei (CSIRO H 7465-01; paratype).
Juvenile female (516 mm DW).
Figure 13.
Neighbour-Joining tree for Aetobatus species.
Based on P distance for Western Pacific Aetobatus species, with an Aetomylaeus species as an outgroup, using NADH2 sequences.