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Fig. 8 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 8. Mysidium triangulare Wittmann sp. nov., from Curaçao, paratypes. A–F. ♀, 5.9 mm body length. G, J. ♀, 5.1 mm. H, K–L. ♂, 5.5 mm. A. Foregut; dorsal wall omitted. B–F. Details of panel (A) showing modified spines. G. Basal half of thoracopod 7 with right oostegite, lateral view. H, J. Variants of scutellum paracaudale, lateral view. K. Uropods, ventral view; setae omitted. L. Telson. M. Nauplioid larva at substage N2, lateral view. N. Detail showing tip of abdomen in another nauplioid specimen.

Fig. 12 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 12. Mysidium antillarum Wittmann sp. nov., from Curaçao, paratypes. A–B. ♂, 7.5 mm body length. C. ♀, 7.9 mm. D–F. ♀, 7.5 mm. G, J–K. ♂, 5.5 mm. H, L. ♂, 5.0 mm. A. Third thoracopod, caudal. B. Detail of panel (A) showing modified seta from merus. C. Sixth thoracopod with rudimentary oostegite, rostral view. D–F. Series of female pleopods 1, 2, 4, rostral view. G–J, L. Series of male pleopods 1–3, 5, rostral view. K. Male pleopod 4, caudal view.

Fig. 4 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 4. Mysidium rubroculatum Băcescu & Ortiz, 1984, from Cuba, paratypes. A. ♂, 3.6 mm body length. B–G. ♂, 3.8 mm. A. Cephalic region, left antennula and setae of antennal scale omitted. B. Mediodistal extension of left antennular trunk, dorsal view. C. Third thoracic endopod, rostral view. D–E. Pleopods 1 and 3, rostral view. F. Pleopod 4, caudal view. G. Telson.

Fig. 1 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 1. Mysidium gracile (Dana, 1852), off Cabo Frio in Brazil, non-types. A–B. ♂, 5.6 mm body length. C, G. ♂, 5.3 mm. D–F. ♂, 5.2 mm. A. Cephalic region, right antennula and setae of antennal scale omitted. B. Mediodistal extension of right antennular trunk, dorsal. C. Third thoracic endopod, caudal. D–E. Pleopods 1 and 3, rostral. F. Pleopod 4, caudal. G. Telson.

Fig. 3 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 3. Mysidium cubanense Băcescu & Ortiz, 1984, from Cuba (A), Curaçao (B–F) and Bonaire (G). A. Holotype, ♂, 5.1 mm body length. B–F. Non-type, ♂, 5.0 mm. G. Non-type, ♂, 4.0 mm. A. Cephalic region, right antennula and setae of antennal scale omitted. B. Mediodistal extension of left antennular trunk, dorsal view. C. Third thoracic endopod, rostral view. D–E. Pleopods 1 and 3, rostral view. F. Pleopod 4, caudal view. G. Telson. Sample affiliation: Cuba - type locality (A); Curaçao #C3 (B–F); Bonaire #B11 (G).

Fig. 2. Mysidium integrum W.M. Tattersall, 1951 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 2. Mysidium integrum W.M. Tattersall, 1951, from Curaçao (A–G) and off Cabo Frio in Brazil (H), non-types. A. ♂, 5.1 mm body length. B. ♂, 5.3 mm. C–G. ♂, 4.6 mm. H. ♂, 6.8 mm. A. Cephalic region; left antennula and setae of antennal scale omitted. B. Mediodistal extension of right antennular trunk, dorsal view. C. Third thoracic endopod, caudal view. D–E. Pleopods 1 and 3, rostral view. F. Pleopod 4, caudal view. G–H. Telson variants. Sample affiliation: Curaçao #C3 (A, C–G), #C9 (B); Brazil #F13 (H)

Fig. 6 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 6. Mysidium triangulare Wittmann sp. nov., from Curaçao, paratypes. A. ♀, 5.1 mm body length. B, D. ♀, 5.9 mm. C. ♂, 5.4 mm. E–G. ♂, 5.5 mm. A. Labrum, ventral view. B. Maxillula, rostral view. C. Maxilla, rostral view. D. First thoracopod (caudal view) with part of sternite 1 (ventral view). E. Second thoracic sympod with endopod, caudal view. F. Third thoracopod, caudal view. G. Detail of panel (F) showing dactylus with nail.

Fig. 7 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 7. Mysidium triangulare Wittmann sp. nov., from Curaçao, paratypes. A, D. ♀, 5.4 mm body length. B–C, K–L. ♂, 5.5 mm. E–G. ♀, 5.1 mm. H, J, M. ♂ 5.4 mm. A. Sixth thoracopod with rudimentary oostegite, caudal view. B. Eighth thoracopod with penis, rostral view. C. Detail of panel (B) showing dactylus with nail. D–G. Series of female pleopods 1–4, rostral view. H–K, M. Series of male pleopods 1–3, 5, rostral view. L. Male pleopod 4, caudal view.

Fig. 10 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 10. Mysidium antillarum Wittmann sp. nov., from Curaçao, holotype (A) and paratypes (B–J). A. ♂, 7.3 mm body length. B. ♂, 7.5 mm. C–E, H. ♀, 7.9 mm. F. ♀, 7.5 mm. G, J. ♂, 6.4 mm. A. Cephalic region; left antennula and setae of antennal scale omitted. B. Mediodistal extension of left antennular trunk, dorsal view. C. Carapace expanded on slide. D–E. Details of panel (C) showing cardial (D) and cervical (E) pore groups; pore diameters not to scale. F. Right antennula of female, dorsal view. G. Right antenna, dorsal view. H. Labrum, ventral view. J. Left mandible with right masticatory process, caudal view.

Fig. 9 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 9. Mysidium columbiae (Zimmer, 1915), lectotype from Cartagena in Colombia (A) and non-types from Curaçao (B–J). A. ♂, 4.4 mm body length. B, F–J. ♂, 6.1 mm. C–E. ♀, 5.5 mm. A. Cephalic region; left antennula and setae of antennal scale omitted. B. Mediodistal extension of right antennular trunk, dorsal view. C. Third thoracic endopod, caudal view. D–E. Details of panel (C) showing modified setae. F–G. Pleopods 1 and 3, rostral view. H. Pleopod 4, caudal view. J. Telson. Sample affiliation: Colombia - type locality (A), Curaçao #C3 (B–J).

Fig. 13 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 13. Mysidium antillarum Wittmann sp. nov., holotype (A), paratypes (B–D) and M. columbiae (Zimmer, 1915). (E–J), non-types, all from Curaçao. A. ♂, 6.4 mm body length. B. ♂, 7.3 mm. C. ♀, 7.9 mm. D. ♀, 7.5 mm. E–G. ♂, 6.1 mm. A. Eighth thoracopod with penis, rostral view. B. Scutellum paracaudale, lateral view. C. Uropods, ventral; setae omitted. D. Telson. E. Foregut; dorsal wall omitted. F–G. Details of panel (E) showing modified spines. H. Nauplioid larva at substage N3, lateral view. J. Detail showing tip of abdomen in another nauplioid specimen. Sample affiliation: Curaçao - type locality #C6 (A–D); Curaçao #C3 (E–G), #C5 (H–J).

Fig. 11 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 11. Mysidium antillarum Wittmann sp. nov., from Curaçao, paratypes. A–E, G, J. ♀, 7.9 mm body length. F, K. ♂, 7.5 mm. H. ♀, 7.5 mm. A. Foregut; dorsal wall and some spines of superomedianum omitted. B–E. Details of panel (A) showing modified spines. F. Labium, caudal view. G. Maxillula, rostral view. H. Maxilla, rostral view. J. First thoracopod (caudal view) with sternites 1–6 (ventral view). K. Second thoracic sympod with endopod, rostral view.

Fig. 5 in Revision of the amphiamerican genus Mysidium Dana, 1852 (Crustacea: Mysida: Mysidae), with descriptions of two new species and the establishment of two new subgenera

Fig. 5. Mysidium triangulare Wittmann sp. nov., from Curaçao, holotype (A) and paratypes (B–J). A. ♂, 5.2 mm body length. B. ♂, 5.4 mm. C–E. ♂, 5.0 mm. F, H. ♀, 5.9 mm. G. ♂, 5.5 mm. J. ♀, 5.1 mm. A. Cephalic region; right antennula and setae of antennal scale omitted. B. Mediodistal extension of left antennular trunk, dorsal. C. Carapace expanded on slide. D–E. Details of panel (C) showing cardial (D) and cervical (E) pore groups, pore diameters not to scale. F. Right antennula of female, dorsal view. G. Right antenna, ventral view. H. Right mandible with left masticatory process, rostral view. J. Labium, rostral view.

FIGURE 14. Cubanomysis mysteriosa Gleye, 1982. A in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 14. Cubanomysis mysteriosa Gleye, 1982. A, anterior part of cephalothorax with appendages; B, antennal peduncle and scale; C, maxilla; D, mandibular palp; E, pleopod 4 of male with detail of the exopod terminal seta; F, uropods; G, telson (Adapted from Gleye 1982).

FIGURE 12 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 12. Cubanomysis jimenesi Băcescu, 1968. A, dorsal view of the eye and antennular peduncle; B, antennal peduncle and scale; C, maxilla; D, pleopod 4 of male with detail of the exopod terminal seta; E, uropods; F, telson (Adapted from Băcescu 1968).

FIGURE 10 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 10. Cubanomysis manuelortizi sp. nov. Paratype male CL 1.23 mm (ICML-EMU-13275). A, anterior part of cephalothorax; B, antennular peduncle, with enlarged process of terminal article (arrow); C, anterior part of processus masculinus (setae omitted); D, antennal peduncle and scale; E, uropods, dorsal view; F, telson, dorsal view.

FIGURE 7. Siriella gracilis Dana, 1852 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 7. Siriella gracilis Dana, 1852. Male CL 1.28 mm; female CL 1.23 mm (ICML-EMU-13273). A, anterior part of cephalothorax with appendages (male); B, antennular peduncle (male); C, antennular peduncle (female); D, antennal peduncle and scale (male); E, uropods, dorsal view (male); F, telson, dorsal view (male).

FIGURE 8 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 8. Cubanomysis manuelortizi sp. nov. Holotype male CL 1.35 mm (ICML-EMU-12984). A, anterior part of cephalothorax with appendages; B, antennular peduncle, with enlarged tip of article 3 (arrow); C, anterior part of processus masculinus (setae omitted); D, antennal peduncle and scale; E, mandibular palp, with enlarged seta of terminal article (arrow); F, maxillula; G, maxilla; H, uropods, dorsal view. I, telson, dorsal view.

FIGURE 9 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 9. Cubanomysis manuelortizi sp. nov. Holotype male CL 1.35 mm (ICML-EMU-12984). A, pleopod 2; B, pleopod 3; C, pleopod 4; D, pleopod 5.

FIGURE 4 in On a small collection of mysids (Crustacea, Peracarida, Mysida) from the southern Gulf of California, western Mexico, with the description of new species of Mysidium and Cubanomysis

FIGURE 4. Mysidium winfieldi sp. nov. male holotype (ICML-EMU-13270). A, fifth thoracopod; B, sixth thoracopod; C, seventh thoracopod; D, eighth thoracopod; E, penis.