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Fig.ç6.A mblyops izuensis sp. nov., holotype, male (NSMT-Cr 21348). A–D, rst to fourth male pleopods (A, B, right; C, D le); E, distal part of endopod of fourth male pleopod (le); F, distal part of exopod of fourth male pleopod (le); G, h male pleopod (right); H, uropod and telson (dorsal); I, proximal part of uropodal endopod (le, ventral); J, posterior part of telson (dorsal). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç6.A mblyops izuensis sp. nov., holotype, male (NSMT-Cr 21348). A–D, rst to fourth male pleopods (A, B, right; C, D le); E, distal part of endopod of fourth male pleopod (le); F, distal part of exopod of fourth male pleopod (le); G, h male pleopod (right); H, uropod and telson (dorsal); I, proximal part of uropodal endopod (le, ventral); J, posterior part of telson (dorsal).

Fig.ç3.A mblyops australiensis sp. nov., holotype, male (NSMT-Cr 21346). A, anterior part of body (dorsal); B, eyeplate (right, dorsal); C, antennular peduncle (right, ventral); D, antenna (right, dorsal); E, antennal peduncle (right, lateral); F, mandible and mandibular palp (right); G, outer lobe of maxillule (right); H, maxilla (right); I, labrum (ventral). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç3.A mblyops australiensis sp. nov., holotype, male (NSMT-Cr 21346). A, anterior part of body (dorsal); B, eyeplate (right, dorsal); C, antennular peduncle (right, ventral); D, antenna (right, dorsal); E, antennal peduncle (right, lateral); F, mandible and mandibular palp (right); G, outer lobe of maxillule (right); H, maxilla (right); I, labrum (ventral).

Fig.ç2.A mblyops amamiensis sp. nov., A–F, H, holotype, female (NSMT-Cr 21344); G, paratype, female (NSMT-Cr 21345). A, rst thoracopod (right); B, second thoracopod (right); C, fourth thoracopodal endopod (right); D, h thoracopod (right); E, uropod and telson (dorsal); F, uropodal endopod (right, ventral); G, uropodal endopod (le, ventral); H, posterior part of telson (dorsal). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç2.A mblyops amamiensis sp. nov., A–F, H, holotype, female (NSMT-Cr 21344); G, paratype, female (NSMT-Cr 21345). A, rst thoracopod (right); B, second thoracopod (right); C, fourth thoracopodal endopod (right); D, h thoracopod (right); E, uropod and telson (dorsal); F, uropodal endopod (right, ventral); G, uropodal endopod (le, ventral); H, posterior part of telson (dorsal).

Fig.ç1.A mblyops amamiensis sp. nov., holotype, female (NSMT-Cr 21344). A, anterior part of body (dorsal); B, eyeplate (le, dorsal); C, anterior part of eyeplate (le, lateral); D, antennular peduncle (le, dorsal); E, antenna (le, ventral); F, antennal peduncle (le, lateral); G, labrum (ventral); H, mandibular palp (right), I, maxilla (right). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç1.A mblyops amamiensis sp. nov., holotype, female (NSMT-Cr 21344). A, anterior part of body (dorsal); B, eyeplate (le, dorsal); C, anterior part of eyeplate (le, lateral); D, antennular peduncle (le, dorsal); E, antenna (le, ventral); F, antennal peduncle (le, lateral); G, labrum (ventral); H, mandibular palp (right), I, maxilla (right).

Fig.ç21.A mblyops timorensis sp. nov., holotype, male (NSMT-Cr 21366). A, rst thoracopodal endopod (right); B, second thoracopodal endopod (le); C, seventh thoracopodal exopod (le); D, genital organ (le, lateral); E, second pleopod (right); F, fourth pleopod (right); G, uropod and telson (dorsal); H, uropodal endopod (right, ventral); I, telson (dorsal). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç21.A mblyops timorensis sp. nov., holotype, male (NSMT-Cr 21366). A, rst thoracopodal endopod (right); B, second thoracopodal endopod (le); C, seventh thoracopodal exopod (le); D, genital organ (le, lateral); E, second pleopod (right); F, fourth pleopod (right); G, uropod and telson (dorsal); H, uropodal endopod (right, ventral); I, telson (dorsal).

Fig.ç23.A mblyops sp. 2, female (NSMT-Cr 21368). A, anterior part of body (dorsal); B, antennal scale (right, dorsal); C, apical part of antennal scale (right, dorsal); D, third thoracopodal endopod (right); E, distal part of the same limb (right); F, fourth thoracopod (right); G, distal part of the same limb (right); H, uropodal endopod (le, ventral); I, anterior half of telson. in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç23.A mblyops sp. 2, female (NSMT-Cr 21368). A, anterior part of body (dorsal); B, antennal scale (right, dorsal); C, apical part of antennal scale (right, dorsal); D, third thoracopodal endopod (right); E, distal part of the same limb (right); F, fourth thoracopod (right); G, distal part of the same limb (right); H, uropodal endopod (le, ventral); I, anterior half of telson.

Fig.ç14.A mblyops sagamiensis sp. nov., holotype, female (NSMT-Cr 21361). A, anterior part of body (dorsal); B, eyeplate (le, dorsal); C, eyeplate (le, lateral); D, antenna (le, dorsal); E, antennal peduncle (le, lateral); F, mandible and mandibular palp (le); G, maxillule (le); H, maxilla (right); I, labrum (ventral); J, rst thoracopodal endopod (le). in The Genus Amblyops (Crustacea: Mysida: Mysidae: Erythropinae) from East Asia and Australia, with Descriptions of Ten New Species

Fig.ç14.A mblyops sagamiensis sp. nov., holotype, female (NSMT-Cr 21361). A, anterior part of body (dorsal); B, eyeplate (le, dorsal); C, eyeplate (le, lateral); D, antenna (le, dorsal); E, antennal peduncle (le, lateral); F, mandible and mandibular palp (le); G, maxillule (le); H, maxilla (right); I, labrum (ventral); J, rst thoracopodal endopod (le).

Fig. 31 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 31. Photographs and line drawings of the basicranial region of M-2984 (A) and M-2967 (B) showing the morphology of the parabasisphenoid-basiocccipital suture. The suture in M-2984 is relatively straight and exhibits a remnant of the fenestra basicranialis (fb). The suture in M-2967 is rostrally curved and marked by two caudolateral processes of the parabasisphenoid. The fenestra basicranialis is obliterated. A rostrally convex ridge marking the insertion of the M. rectus capitis is present and has a rostral position on the parabasisphenoid in both specimens.

Fig. 25 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 25. Photographs and line drawings of the pterygoid in dorsolateral view showing the ossified dorsal wall that separates the canalis cavernosus (foreground) and the internal carotid canal, which terminates rostrally with the foramen caroticum laterale (fcl). This wall is penetrated by the foramen pro ramo nervi vidiani, which transmits the vidian nerve from the canalis cavernosus to the internal carotid canal. The ossification of the wall around this foramen is variable in the SMRS as seen in M-2992 (A, left), (B, right), and M-2991 (C, right). The prootic, which is not articulated in these photographs, lies above the pterygoid and participates in the foramen caroticum laterale and foramen pro ramo nervi vidiani.

Fig. 22 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 22. Photographs and line drawings of the basicranial region of M-2984 (A) and M-2966 (B) in caudoventral view. In M-2984, the chorda tympani nerve passes through a groove in the quadrate rather than through a fully enclosed foramen (canalis chorda tympani quadrati) as seen in M-2966. The path of the chorda tympani external to this opening is preserved in M-2984 and denoted here by an arrow.

Fig. 27 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 27. Photographs and line drawings of the left opisthotic in rostral (M-2964, A) and medial (M- 2992, B) views. The arrow marks the path of the glossopharyngeal nerve along the caudal wall of the cavum labyrinthicum (cl), which is formed by the processus interfenestralis of the opisthotic (pi). Note the differences in the ossification of the medial wall of the fenestra perilymphatica in the two specimens.

Fig. 19 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 19. Photographs and line drawings of the palatal surface of M-2985 (A) and M-2999 (B) showing the contacts of the palatine, maxilla, and foramen palatinum posterius. The most common condition in the SMRS is for the maxilla to form the lateral margin of this foramen (A). The palatines sometimes meet lateral to the foramen palatinum posterius on the ventral surface of the palate.

Fig. 18 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 18. Photographs and line drawings of the palatal surface of M-2979 (A), M-2974 (B), and M-2983 (C). The palatines obscure the vomer-pterygoid contact in M-2974. The shape of the vomer-pterygoid contact can be broadly rounded or obtuse as in M-2974 or the vomer can terminate caudally at a single point as in M-2983. The development of the rostral margin of pterygoid appears to be the major factor controlling the morphology of this character.

Fig. 30 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 30. Photographs and line drawings of the occipital and basicranial regions in M-2980 (A) and M- 2983 (B) (the least and most mature specimens in the SMRS). Note the relative ossification of the exoccipitals. IX? (B) marks the possible path of the glossopharyngeal nerve out of the recessus scalae tympani, which is delimited by small, processlike ossifications around the rim of the fenestra postotica.

Fig. 17 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 17. Photographs and line drawings of the palatal surface of M-2989 (A) and M-2958 (B). The paired foramina praepalatinum are exposed ventrally in M-2989, whereas they are concealed by caudal development of the premaxillae on the secondary palate in M-2958. Ventral exposure of these foramina is the most common condition within the SMRS.

Fig. 16 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 16. Photographs and line drawings of the relationships of the premaxillae, maxillae, and ventral margin of the apertura narium externa. The most common condition within the SMRS is for the maxillae to send small secondary processes over the premaxillae to form the ventral margin of aperture (A, M- 2967). This medial contact can be recessed such that the premaxillae still contribute to the ventral margin of aperture (B, M-2967). Sometimes the maxillae fail to meet medially above the premaxillae (C, M-2956).

Fig. 21 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 21. Photographs and line drawings of the incisura columella auris and surrounding basicranial region in M-2975 (A, left), M-2966 (B, right), and M-2983 (C, left). The incisura is open caudally in M- 2975, restricted caudally by a descending secondary process of the quadrate in M-2966, and restricted by an ascending secondary process of the quadrate in M-2983.

Fig. 14 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 14. Photograph and line drawing of the caudal margin of the right orbital floor in M-2985 as seen through the orbit. A relatively large and distinct foramen is present in the medial process of the jugal in this specimen, which represents a variant condition for the SMRS. The maxillary branch of the trigeminal nerve may pass through this foramen before traveling rostrally along the floor of the orbit to the foramen supramaxillare.

Fig. 12 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 12. Photographs and line drawings of the foramen nervi trigemini in right lateral (M-2983, A) and left lateral (M-2983, B; M-2988, C) views. Note the small foramen or groove in the dorsal margin of the foramen nervi trigemini that occurs as a variant in the SMRS.

Fig. 24 in Postnatal Ontogeny Of The Skull In Th E Ex Tant North Am Eric An Turtle Sternotherus Odoratus (Crypto Dir A: Kinosterni Dae) G A B E S. B E V Er

Fig. 24. Photographs and line drawings of the dorsal surface of the pterygoid in M-2960 (A, left), the rostral end of the pterygoid in M-2982 (B, left), and lateral view of the rostral half of the pterygoid in M- 2960 (C, left). A fossa lying just rostral to the foramen caroticum laterale houses foramina involved in the transmission of the vidian nerve and vein. The anterior canalis nervi vidiani (acnv) transmits the vidian nerve and vein rostrally through the crista pterygoidea before it eventually bifurcates sending branches of the vidian onto the dorsal and ventral surfaces of the palate. Arrows mark the path of the vidian nerve through the foramen pro ramo nervi vidiani (A) and the anterior canalis nervi vidiani (C).