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Figure 9 in The adductor mandibulae muscle complex in lower teleostean fishes (Osteichthyes: Actinopterygii): comparative anatomy, synonymy, and phylogenetic implications

Figure 9. Adductor mandibulae and associated structures of Anguilla reinhardti (Anguilliformes: Anguillidae), USNM 311978 (182.4 mm standard length). Left side in (A) lateral and (B) medial views; ramus mandibularis trigeminus nerve removed. Arrow indicates attachment of fibres of the pars rictalis onto the preangulo-paramaxillar ligament. Abbreviations: AM, adductor mandibulae; IA, intersegmental aponeurosis.

Figure 19 in The adductor mandibulae muscle complex in lower teleostean fishes (Osteichthyes: Actinopterygii): comparative anatomy, synonymy, and phylogenetic implications

Figure 19. Adductor mandibulae and associated structures of Gymnotus carapo (Gymnotiformes: Gymnotidae), MZUSP 69391 (145.0 mm standard length). Left side in (A) lateral and (B) medial views. Arrow indicates tendon fragment leading to subcutaneous layer of connective tissue (cut). Abbreviations: AM, adductor mandibulae; BPM, buccopalatal membrane; IA, intersegmental aponeurosis.

Figure 13 in The adductor mandibulae muscle complex in lower teleostean fishes (Osteichthyes: Actinopterygii): comparative anatomy, synonymy, and phylogenetic implications

Figure 13. Adductor mandibulae and associated structures of Pellona harroweri (Clupeiformes: Pristigasteridae), MZUSP 11364 (74.0 mm standard length). Left side in (A) lateral and (B) medial views. Abbreviations: AM, adductor mandibulae; BPM, buccopalatal membrane; IA, intersegmental aponeurosis; RMT, ramus mandibularis trigeminus nerve.

Figure 26 in The adductor mandibulae muscle complex in lower teleostean fishes (Osteichthyes: Actinopterygii): comparative anatomy, synonymy, and phylogenetic implications

Figure 26. Adductor mandibulae and associated structures of Oncorhynchus mykiss (Salmoniformes: Salmonoidei: Salmonidae), MZUSP 85378 (106.4 mm standard length). Left side in (A) lateral and (B) medial views. Arrow indicates dorsal separation between the epistegalis and ricto-malaris. Anterodorsal tip of the dentary in B accidentally cut during dissection. Abbreviations: AM, adductor mandibulae; IA, intersegmental aponeurosis; RMT, ramus mandibularis trigeminus nerve.

Figure 15 in The adductor mandibulae muscle complex in lower teleostean fishes (Osteichthyes: Actinopterygii): comparative anatomy, synonymy, and phylogenetic implications

Figure 15. Adductor mandibulae and associated structures of Rasbora cephalotaenia (Cypriniformes: Cyprinidae), USNM 330848 (81.2 mm standard length). Left side in (A) lateral and (B) medial views. Abbreviations: AM, adductor mandibulae; IA, intersegmental aponeurosis; RMT, ramus mandibularis trigeminus nerve.

FIGURE 2 in Morphological and molecular evidences for the existence of two new species of Homalometron (Digenea: Apocreadiidae), parasites of cichlids (Osteichthyes: Cichlidae)

FIGURE 2. Scanning electron micrographs of Homalometron octopapillatum n. sp. collected from Cichlasoma beani. A. Anterior end showing tiny spines on the body surface. B. Anterior end showing oral sucker possessing 4 papillae on each side.

FIGURE 4 in Morphological and molecular evidences for the existence of two new species of Homalometron (Digenea: Apocreadiidae), parasites of cichlids (Osteichthyes: Cichlidae)

FIGURE 4. Phylogenetic tree of seven species of Homalometron inferred from the combined analysis of the ITS´s and 5.8S gene (A), and D2-D3 domains of the 28S (B) using maximum parsimony in PAUP. Numbers above the branches indicate bootstrap support values.

FIGURE 1. A. Homalometron octopapillatum n in Morphological and molecular evidences for the existence of two new species of Homalometron (Digenea: Apocreadiidae), parasites of cichlids (Osteichthyes: Cichlidae)

FIGURE 1. A. Homalometron octopapillatum n. sp. Holotype (gravid specimen). Ventral view. Scale bar = 500 Μm. B. Anterior end showing papillae. Scale bar = 100 Μm.

FIGURE 3. A. Homalometron masoamericanum n in Morphological and molecular evidences for the existence of two new species of Homalometron (Digenea: Apocreadiidae), parasites of cichlids (Osteichthyes: Cichlidae)

FIGURE 3. A. Homalometron masoamericanum n. sp. Holotype (gravid specimen). Ventral view. Scale bar = 500 Μm. B. Anterior end showing compact eye-spots. Scale bar = 75 Μm. C) Detail of the female genitalia. Scale bar = 100 Μm.

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Data from: Intrinsic and extrinsic factors act at different spatial and temporal scales to shape population structure, distribution and speciation in Italian Barbus (Osteichthyes: Cyprinidae)

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Fig. 58. Egertonia isodonta Cocchi, 1864. A–C. MSC 33348 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 58. Egertonia isodonta Cocchi, 1864. A–C. MSC 33348, tooth plate, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 37651, stack of teeth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. D. Oral view. E. Lateral view. F. Aboral view. G–I. MSC 37913.1, tooth, basal Lisbon Formation. G. Oral view. H. Lateral view. I. Aboral view. J–L. MSC 37555.1, stack of teeth, basal Gosport Sand. J. Oral view. K. Lateral view. L. Aboral view. M–O. MSC 35780.1, tooth, lower Tallahatta Formation. M. Oral view. N. Lateral view. O. Aboral view. Scale bar for A–C = 1 cm. Scale bars for D–O = 2 mm.

Fig. 55. Batomorphii indet., teeth. A–E. MSC 37675.2, basal Lisbon Formation. A. Labial view. B. Lingual view. C. Profile view. D. Oral view. E. Basal view. F–J. MSC 37675.1, basal Lisbon Formation. F. Labial view. G. Lingual view. H. Profile view. I. Oral view. J. Basal view. K–O in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 55. Batomorphii indet., teeth. A–E. MSC 37675.2, basal Lisbon Formation. A. Labial view. B. Lingual view. C. Profile view. D. Oral view. E. Basal view. F–J. MSC 37675.1, basal Lisbon Formation. F. Labial view. G. Lingual view. H. Profile view. I. Oral view. J. Basal view. K–O. SC2012.42.154, basal Lisbon Formation. K. Labial view. L. Lingual view. M. Profile view. N. Oral view. O. Basal view. Labial at top in oral and basal views. Labial at top in oral and basal views. Scale bars = 1 mm.

Fig. 57 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 57. Pycnodus sp., teeth and Lepisosteidae elements. A–L. Pycnodus sp. A–C. MSC 35773.1, tooth, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 35773.2, tooth, lower Tallahatta Formation. D. Oral view. E. Profile view. F. Aboral view. G–I. MSC 37185, tooth, Tallahatta/Lisbon formation contact zone, courtesy of T. Prescott Atkinson. G. Oral view. H. Profile view. I. Aboral view. J–L. MSC 37912.1, tooth, basal Lisbon Formation. J. Oral view. K. Profile view. L. Aboral view. — M–BB. Lepisosteidae Cuvier, 1825. M–N. ALMNH PV1989.4.70, scale, Gosport Sand. M. External view. N. Internal view. O–P. ALMNH PV1989.4.37.2.1, scale, Gosport Sand. O. External view. P. Internal view. Q–R. ALMNH PV1989.4.37.2.2, scale, Gosport Sand. Q. External view. R. Internal view. S–T. MSC 37306, scale, basal Lisbon Formation. S. External view. T. Internal view. U–V. MSC 37473.1, tooth, basal Gosport Sand. U. Lateral view. V. Basal view. W–Y. ALMNH PV1989.2.4, vertebra, Gosport Sand. W. Anterior view. X. Left lateral view. Y. Posterior view. Z– BB. ALMNH 1898.4.190, vertebra, Gosport Sand. Z. Anterior view. AA. Left lateral view. BB. Posterior view. Scale bars for A–L = 2 mm. Scale bars: M–T, W–BB = 1 cm; U = 5 mm.

Fig. 53 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 53. Burnhamia daviesi (Woodward, 1889), teeth. A–E. MSC 38878.2, median tooth, lower Tallahatta Formation. A. Oral view. B. Basal view. C. Labial view. D. Lingual view. E. Profile view. F–J. MSC 38878.1, median tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Labial view. I. Lingual view. J. Profile view. K–O. MSC 38826, median tooth, basal Lisbon Formation. K. Oral view. L. Basal view. M. Labial view. N. Lingual view. O. Profile view. P–T. MSC 38878.3, lateral tooth, lower Tallahatta Formation. P. Oral view. Q. Basal view. R. Labial view. S. Lingual view. T. Profile view. U–Y. MSC 38823.4, lateral tooth, Gosport Sand. U. Oral view. V. Basal view. W. Labial view. X. Lingual view. Y. Profile view. Z–DD. MSC 38823.3, median tooth, Gosport Sand. Z. Oral view. AA. Basal view. BB. Labial view. CC. Lingual view. DD. Profile view. EE–II. MSC 38823.2, lateral tooth, Gosport Sand. EE. Oral view. FF. Basal view. GG. Labial view. HH. Lingual view. II. Profile view. JJ–NN. MSC 38823.1, lateral tooth, Gosport Sand. JJ. Oral view. KK. Basal view. LL. Labial view. MM. Lingual view. NN. Profile view. OO–SS. MSC 38878.4, lateral tooth, lower Tallahatta Formation. OO. Oral view. PP. Basal view. QQ. Labial view. RR. Lingual view. SS. Profile view. TT– XX. MSC 38821, lateral tooth, basal Gosport Sand. TT. Oral view. UU. Basal view. VV. Labial view. WW. Lingual view. XX. Profile view. YY–AC. MSC 35789, lateral tooth, lower Tallahatta Formation. YY. Oral view. ZZ. Basal view. AB. Labial view. AC. Lingual view. Labial at top in oral and basal views. Labial at top in oral and basal views. Scale bars = 2 mm.

Fig. 52 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 52 (opposite page). Leidybatis jugosus (Leidy, 1876), teeth. A–E. MSC 35005, median tooth, Tallahatta/Lisbon formation contact zone. A. Profile view. B. Labial view. C. Lingual view. D. Oral view. E. Basal view. F–J. MSC 37080, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. F. Labial view. G. Profile view. H. Lingual view. I. Oral view. J. Basal view. K–O. MSC 37086, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of James Lowery. K. Profile view. L. Labial view. M. Lingual view. N. Oral view. O. Basal view. P–S. MSC 37291, lateral tooth, basal Lisbon Formation. P. Profile view. Q. Lingual view. R. Oral view. S. Basal view. T–X. MSC 37082, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. T. Profile view. U. Labial view. V. Lingual view. W. Oral view. X. Basal view. Y–CC. MSC 37081, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. Y. Lingual view. Z. Profile view. AA. Labial view. BB. Oral view. CC. Basal view. DD–HH. SC2012.47.198, median tooth, basal Lisbon Formation. DD. Profile view. EE. Labial view. FF. Lingual view. GG. Oral view. HH. Basal view. II– MM. MSC 37135, lateral tooth, Tallahatta/Lisbon formation contact zone, courtesy of James Lowery. II. Labial view. JJ. Profile view. KK. Lingual view. LL. Oral view. MM. Basal view. NN–RR. MSC 37083, median tooth, Tallahatta/Lisbon formation contact zone, courtesy of Bruce Relihan. NN. Profile view. OO. Labial view. PP. Lingual view. QQ. Oral view. RR. Basal view. SS–TT. SC2012.47.202, lateral tooth, basal Lisbon Formation. SS. Oral view. TT. Basal view. Labial at top in oral and basal views. Scale bars: A–E, K–O, T–X, DD–HH, NN–RR = 1 cm; F–J, P–S, Y–CC, II–MM, SS–TT = 5 mm.

Fig. 60. Albula eppsi White, 1931 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 60. Albula eppsi White, 1931 and Albula oweni (Owen, 1845), teeth. A–I. Albula eppsi A–C. MSC 38445.1, lower Tallahatta Formation. A. Oral view. B. Profile view. C. Aboral view. D–F. MSC 37909.1, basal Lisbon Formation. D. Oral view. E. Profile view. F. Aboral view. G–I. MSC 37541, basal Gosport Sand. G. Oral view. H. Profile view. I. Aboral view. — J–R. Albula oweni. J–L. MSC 38445.1, lower Tallahatta Formation. J. Oral view. K. Profile view. L. Aboral view. M–O. MSC 37891, "upper" Lisbon Formation. M. Oral view. N. Profile view. O. Aboral view. P–R. MSC 37699, basal Gosport Sand. P. Oral view. Q. Profile view. R. Aboral view. Scale bars = 2 mm.

Fig. 51 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 51. Meridiania cf. M. convexa Case 1994, teeth. A–D. MSC 38877, median tooth, lower Tallahatta Formation. A. Oral view. B. Labial view. C. Profile view. D. Basal view. E–H. MSC 38822.2, lateral tooth, Gosport Sand. E. Oral view. F. Labial view. G. Lingual view. H. Basal view. I–L. MSC 38822.1, lateral tooth, Gosport Sand. I. Oral view. J. Labial view. K. Lingual view. L. Basal view. M–O. MSC 38820, lateral tooth, basal Gosport Sand. M. Oral view. N. Lingual view. O. Basal view. Labial at top in oral and basal views. Scale bars = 2 mm.

Fig. 50 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 50 (opposite page). Rhinoptera sp., teeth. A–E. SC2012.47.233, median tooth, basal Lisbon Formation. A. Oral view. B. Basal view. C. Labial view. D. Lingual view. E. Profile view. F–J. MSC 37389.2, median tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Labial view. I. Lingual view. J. Profile view. K–O. MSC 37389.1, median tooth, lower Tallahatta Formation. K. Oral view. L. Basal view. M. Labial view. N. Lingual view. O. Profile view. P–T. SC2012.47.235, lateral tooth, basal Lisbon Formation. P. Oral view. Q. Basal view. R. Labial view. S. Lingual view. T. Profile view. U–Y. MSC 2388.1, median tooth, Gosport Sand. U. Oral view. V. Basal view. W. Labial view. X. Lingual view. Y. Profile view. Z–DD. MSC 2388.2, median tooth, Gosport Sand. Z. Oral view. AA. Basal view. BB. Labial view. CC. Lingual view. DD. Profile view. EE–II. MSC 2388.3, median tooth, Gosport Sand. EE. Oral view. FF. Basal view. GG. Labial view. HH. Lingual view. II. Profile view. JJ–NN. MSC 38873.2, lateral tooth, Gosport Sand. JJ. Oral view. KK. Basal view. LL. Labial view. MM. Lingual view. NN. Profile view. OO–SS. MSC 38403, lateral tooth, basal Gosport Sand. OO. Oral view. PP. Basal view. QQ. Labial view. RR. Lingual view. SS. Profile view. TT–XX. MSC 37595.1, lateral tooth, basal Gosport Sand. TT. Oral view. UU. Basal view. VV. Labial view. WW. Lingual view. XX. Profile view. YY–AD. MSC 38794.5, lateral tooth, basal Gosport Sand. YY. Oral view. ZZ. Basal view. AB. Labial view. AC. Lingual view. AD. Profile view. AE–AI. MSC 38794.1, lateral tooth, basal Gosport Sand. AE. Oral view. AF. Basal view. AG. Labial view. AH. Lingual view. AI. Profile view. Labial at top in oral and profile views. Scale bars: A–E, U–SS, YY–AD = 1 cm; F–O, TT–XX, AE– AI = 5 mm; P–T = 2 mm.

Fig. 49 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 49. Pseudaetobatus belli Cicimurri & Ebersole, 2015, teeth. A–E. MSC 35048, holotype, lower median tooth, lower Tallahatta Formation. A. Oral view. B. Basal view. C. Labial view. D. Lingual view. E. Profile view. F–K. MSC 35054, paratype, lower right distal–most lateral tooth, lower Tallahatta Formation. F. Oral view. G. Basal view. H. Labial view. I. Lingual view. J. Distal view. K. Mesial view. L–P. MSC 35058, paratype, upper? median tooth, lower Tallahatta Formation. L. Oral view. M. Basal view. N. Labial view. O. Lingual view. P. Profile view. Q–V. MSC 35059, paratype, upper right distalmost lateral tooth, lower Tallahatta Formation. Q. Oral view. R. Basal view. S. Labial view. T. Lingual view. U. Distal view. V. Mesial view. W–BB. MSC 35062, paratype, intermediate lateral tooth, lower Tallahatta Formation. W. Oral view. X. Basal view. Y. Distal view. Z. Mesial view. AA. Labial view. BB. Lingual view. Scale bars = 1 cm.

Fig. 48 in Taxonomy and biostratigraphy of the elasmobranchs and bony fishes (Chondrichthyes and Osteichthyes) of the lower-to-middle Eocene (Ypresian to Bartonian) Claiborne Group in Alabama, USA, including an analysis of otoliths

Fig. 48. Myliobatis sp. 2, tooth plates. A–F. MSC 35008, upper tooth plate, Tallahatta/Lisbon formation contact zone. A. Left lateral view. B. Oral view. C. Basal view. D. Right lateral view. E. Lingual view. F. Labial view. G–L. MSC 35007, lower tooth plate, Tallahatta/Lisbon formation contact zone. G. Right lateral view. H. Oral view. I. Basal view. J. Left lateral view. K. Lingual view. L. Labial view. Labial at top in oral, basal, and lateral views. Scale bars = 1 cm.