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FIGURE 6 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 6. Circumorbital series of A. Phenacogrammus deheyni AMNH 252208, B. P. aurantiacus AMNH 274780, C. P. major AMNH 236514, D. P. urotaenia AMNH 253971.

FIGURE 5 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 5. Map of eastern Tanzania showing museum records of Petersius conserialis (yellow circles) in the Rufiji and Ruvu river basins. Yellow square denotes type locality in the lower Ruvu River.

FIGURE 4 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 4. Petersius conserialis, female, live photograph, not preserved, Lake Nzerakera, flooded area at rainy season, Rufiji River, Tanzania, 4 January 2018. Photography: Fraser Gear.

FIGURE 2. Petersius conserialis, FMNH 54287, 99.0 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 2. Petersius conserialis, FMNH 54287, 99.0 mm SL: A. Posterolateral portion of neurocranium; B. posterior view of neurocranium; C. dorsal view of neurocranium; D. circumorbital series; E. lower jaws in dorsal view; F. isolated maxilla in lateral view. CMN-FI 1981.0177.4, 39.7 mm SL: G. Dorsal view of neurocranium; H. circumorbital series. Scale bars: A, C = 2.5 mm; G = 2 mm.

FIGURE 1 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 1. Petersius conserialis: A. FMNH 54287, syntype, 99.0 mm SL, male, Kingani River (= Ruvu River), Dunda, Tanzania. B. CMN-FI 1981.0201.1, nontype, female, 109.5 mm SL, Rufiji River, Lake Ruwe, Tanzania. Profile of anal fin indicated by dotted lines. Scale bar = 1 cm.

FIGURE 3 in Systematic review and cranial osteology of Petersius with redescription of P. conserialis (Teleostei: Alestidae) from the Rufiji and Ruvu rivers of Tanzania

FIGURE 3. Premaxillae and dentition in ventral view. A. Brycinus nurse, AMNH 215629; B. Nannopetersius ansorgii, AMNH 263093; C. Petersius conserialis, FMNH 54287; D. Arnoldichthys spilopterus, AMNH 216017. Outer row teeth darkened.

Figure 39 in The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade

Figure 39. Anal fin of Rhabdalestes eburneensis, USNM 193974, 43.4 mm SL; left side, lateral view.

Figure 23 in The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade

Figure 23. Dentary teeth of Bryconaethiops microstoma, USNM 339722, 55.1 mm; inner view.

Figure 40 in The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade

Figure 40. Anal fin of Ladigesia roloffi, USNM 365951, 29.9 mm SL; left side, lateral view.

Figure 29 in The family Alestidae (Ostariophysi, Characiformes): a phylogenetic analysis of a trans-Atlantic clade

Figure 29. Pelvic bone of Bryconaethiops microstoma, USNM 339722, 55.1 mm SL; dorsal view.

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Data from: Pleistocene transitions from the proto-Congo to adjacent rivers uncovered by phylogenetics and biogeography of <em>Bryconaethiops</em> (Teleostei: Alestidae)

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FIGURE 6 in Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo

FIGURE 6. Micralestes schelly sp. nov. AMNH 240671, photograph of mature male taken immediately post mortem. Specimen collected from the type locality in July 2007, photo by Jake Lowenstein.

FIGURE 5 in Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo

FIGURE 5. Micralestes schelly sp. nov. A) AMNH 239518, paratype, female, 44.5 mm SL, B) AMNH 240662, holo-

FIGURE 4 in Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo

FIGURE 4. Micralestes schelly sp. nov. A) schematic of dominant color pattering in preservation in female, B) male. C) Skeletal elements of anterior region of anal fin of mature male.

FIGURE 2 in Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo

FIGURE 2. Isolated orbital series in A) Bryconaethiops yseuxi, B) Brachypetersius altus, C) Micralestes humilis, D) Micralestes schelly sp. nov., E) pectoral girdle in medial view of Micralestes humilis, F) caudal skeleton and adjacent vertebrae in Micralestes humilis.

FIGURE 1 in Micralestes (Characiformes, Alestidae) of the lower Congo River, with a description of a new species endemic to the lower Congo River rapids in the Democratic Republic of Congo

FIGURE 1. Micralestes of the lower Congo River. A) Micralestes acutidens, AMNH 238378, female, 51.1 mm SL, B) Micralestes holargyreus, AMNH 239479, male, 60.5 mm SL, C) Micralestes humilis, AMNH 238406, female, 56.8 mm SL, D) Micralestes lualabae, AMNH 238386, female, 65.4 mm SL, E) Micralestes stormsi, AMNH 238440, male, 51.0 mm SL, F) Micralestes schelly sp. nov., AMNH 239518, male, 37.7 mm SL. Scale bars = 1 cm.

FIGURE 6 in A new Alestopetersius (Characiformes: Alestidae) from the Kwilu River (Kasai basin) of central Africa; with a phylogeny for the genus and synonymy of Duboisialestes

FIGURE 6. Anterior vertebrae and associated structures in (A) Alestopetersius conspectus, new species (AMNH 253476), (B) Alestopetersius caudalis (AMNH 238424).

FIGURE 5. Alestopetersius conspectus, new species AMNH 253476, 46.3 in A new Alestopetersius (Characiformes: Alestidae) from the Kwilu River (Kasai basin) of central Africa; with a phylogeny for the genus and synonymy of Duboisialestes

FIGURE 5. Alestopetersius conspectus, new species AMNH 253476, 46.3 mm SL; (A) mouth open in lingual view; (B) maxilla and premaxilla in right lateral view; (C) lower jaw in left medial view.

FIGURE 2 in A new Alestopetersius (Characiformes: Alestidae) from the Kwilu River (Kasai basin) of central Africa; with a phylogeny for the genus and synonymy of Duboisialestes

FIGURE 2. Species of the nominal alestid genera Alestopetersius and Duboisialestes: (A) Alestopetersius hilgendorfi (AMNH 240791), (B) Alestopetersius nigropterus (AMNH 242455), (C) Alestopetersius compressus (MRAC 137845, holotype), (D) Alestopetersius leopoldianus (AMNH 242464), (E) Alestopetersius brichardi (AMNH 240432), (F) Alestopetersius caudalis (AMNH 242193), (G) Alestopetersius smykalai (after Poll, 1967), (H) Alestopetersius conspectus (AMNH 253473, holotype), (I) Alestopetersius sp "mbuji", (AMNH 252479), (J) Duboisialestes bifasciatus (AMNH 240060), (K) Duboisialestes tumbensis (AMNH 252336).

FIGURE 3 in A new Alestopetersius (Characiformes: Alestidae) from the Kwilu River (Kasai basin) of central Africa; with a phylogeny for the genus and synonymy of Duboisialestes

FIGURE 3. Strict consensus of 3 equally parsimonious trees (tree length=2997, ensemble CI=0.66, RI=0.74) based on the nucleotide dataset of Arroyave & Stiassny (2011) augmented with expanded taxon sampling within "clade C" (added taxa listed in Table 2). Type species of focal genera indicated by * and illustrated at right. Indices at nodes indicate jacknife support.