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FIGURE 3 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 3. Map showing the distribution of Cetopsis aspis. Square represents the type locality, Mauritie Creek, upper Commewijne River basin, Sipaliwini District, Suriname. Circles represent the localities of paratypes, Konawaruk River and tributaries, Essequibo River basin, Guyana.

FIGURE 2 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 2. Cetopsis aspis, paratype, USNM 432559, 46.9 mm SL, immediately after capture. Photo: Aniel Gangadin.

FIGURE 5 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 5. Strict consensus tree of relationships of the family Cetopsidae with Cetopsis aspis sp. nov. included. Tree length, 279 steps, R, 0.82, C.I., 0.44.

FIGURE 4 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 4. Type locality of Cetopsis aspis. Mauritie Creek, upper Commewijne River basin, Sipaliwini District, Suriname. The grey-white color of the water is caused by suspended sediments resulting from activities of gold miners 100 m upstream of the collection site.

FIGURE 7 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 7. Ventral view of the weberian apparatus of Cetopsis aspis, MZUSP 125262. AVP: anterior ventral transverse process of a complex centrum; CC: complex centrum; OS: os suspensorium; PAPn: parapophysis of vertebra n; PVP: posterior ventral transverse process of a complex centrum; VCn: vertebral centrum n; WL: weberian lamina. Scale bar = 1 mm.

FIGURE 7 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 7. Ventral view of the weberian apparatus of Cetopsis aspis, MZUSP 125262. AVP: anterior ventral transverse process of a complex centrum; CC: complex centrum; OS: os suspensorium; PAP n: parapophysis of vertebra n; PVP: posterior ventral transverse process of a complex centrum; VC n: vertebral centrum n; WL: weberian lamina. Scale bar = 1 mm.

FIGURE 1 in A new species of Cetopsis from the Guiana Shield (Siluriformes: Cetopsidae: Cetopsinae)

FIGURE 1. Cetopsis aspis, holotype, USNM 432561, female, 70.96 mm SL. Photo: Sandra Raredon.

Fig. 48 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 48. Denticetopsis macilenta, holotype of Hemicetopsis macilentus, FMNH 53260, 44 mm SL; Guyana, creek below Potaro Landing (5°23'N, 59°08'W).

Fig. 47 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 47. Denticetopsis iwokrama, new species, holotype, ANSP 177215, 43 mm SL; Guyana, Essequibo, Siparuni River at Tumble Down Creek, Essequibo River basin (4°48'39"N, 58°51'11"W).

Fig. 43 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 43. Cetopsis starnesi, new species, holotype, mature male, USNM 314309, 77 mm SL; Bolivia, Tarija, Argentinean-Bolivian border, río Bermejo, 4-5 km south of Pueblo Salado, approximately 30 air km south of Bermejo (22°27'S, 64°32'W).

Fig. 20 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 20. Cetopsis fimbriata, new species, holotype, mature male, USNM 305348, 83 mm SL; Colombia, Choco, Creek of upper río Nercua, large tributary of río Truando (approximately 7°01'N, 77°30'W).

Fig. 5. Cetopsidium morenoi, INHS 34506, 20.5 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 5. Cetopsidium morenoi, INHS 34506, 20.5 mm SL; Venezuela, Guarico, río San Bartolo (8o03'N, 66o42'W).

Fig. 8 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 8. Cetopsidium pemon, new species, holotype, mature male, MCNG 19475, 25 mm SL; Venezuela, Bolivar, río Caroni at mouth of río Claro (7°54'45"N, 63°02'35"W).

Fig. 9 in The Neotropical whale catfishes (Siluriformes: Cetopsidae: Cetopsinae), a revisionary study

Fig. 9. Cetopsidium pemon, new species, mature male, AMNH 91375, 41 mm SL; Venezuela, Amazonas, río Mavaca.

Figure 37. Paracetopsis esmeraldas, MCZ 48768, 68 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 37. Paracetopsis esmeraldas, MCZ 48768, 68 mm SL; Ecuador, Esmeraldas, Río Esmeraldas basin, Río Blanco.

Figure 33 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 33. Strict consensus tree of two equally parsimonious trees in Figure 28, with branch support. For each clade, Bremer support is shown above the branch, Jackknife and Bootstrap values, separated by a slash, are below.

Figure 26 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 26. Dorsal-fin spines and skeletal support in Cetopsidium pemon (UF 26156). Lateral view. Anterior to left. Scale bar = 1 mm.

Figure 19 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 19. Weberian apparatus of Cetopsis pearsoni (MZUSP 27812, paratype). Tripus not shown. Ventral view. Scale bar = 1 mm.

Figure 36. Denticetopsis iwokrama, ANSP 177215, 43 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 36. Denticetopsis iwokrama, ANSP 177215, 43 mm SL; Guyana, Essequibo, Essequibo River basin, Siparuni River.

Figure 10 in A phylogenetic study of the neotropical catfish family Cetopsidae (Osteichthyes, Ostariophysi, Siluriformes), with a new classification

Figure 10. Supracleithrum of Cetopsis gobioides (MZUSP 38808). Lateral view. Left side. Anterior to left. Arrow 1 indicates dorsal limb, arrow 2 indicates posterior process of ventral limb. Scale bar = 1 mm.