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Figure 10 in The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada - a review of previously described taxa and a description of a new genus and species

Figure 10. Photographs of the fins of †Lambeia pectinatus (YPM 8664). (a) Pectoral fin; (b) pelvic fin; (c) anal fin. All photographs depict the latex peel of YPM 8664. Scale bars equal 5 mm.

Figure 5 in The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada - a review of previously described taxa and a description of a new genus and species

Figure 5. Photographs of the lateral view of the head of the latex peel of type specimen of †Lambeia pectinatus, YPM 8664. Scale bars equal 5 mm.

Figure 4 in The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada - a review of previously described taxa and a description of a new genus and species

Figure 4. Type and only specimen of †Lambeia pectinatus. (a) Photograph of the latex peel of YPM 8664; (b) illustration based on YPM 8664. Dashed lines represent areas of ambiguity that have been reconstructed. Long dark gray dashed line represents lateral-line-bearing scales. Scale bars equal 5 mm.

Figure 7 in The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada - a review of previously described taxa and a description of a new genus and species

Figure 7. Dorsal ridge scales of †Lambeia pectinatus. (a) Photograph of dorsal ridge scales in type and only specimen (YPM 8664). (b) Illustration of dorsal ridge scales in YPM 8664. Abbreviations: bsi, inserted body scales; df, dorsal fin; drs, dorsal ridge scales. Scale bars equal 5 mm.

Figure 8 in The lower actinopterygian fauna from the Lower Carboniferous Albert shale formation of New Brunswick, Canada - a review of previously described taxa and a description of a new genus and species

Figure 8. Schematic drawing detailing the scale regions described in the text for †Lambeia pectinatus (YPM 8664). A1, A2, A3: dorsal-most, mid-body, and ventral-most scales posterior to the pectoral girdle; B1, B2, B3: dorsal-most, mid-body, and ventral-most scales from scale rows 6–12; C1, C2, C3: dorsal-most, mid-body, and ventral-most scales from scale row 13–origin of dorsal fin; D1, D2, D3: dorsal-most, mid-body, and ventral-most scales from origin of dorsal fin to preserved end of specimen.

Figure 13 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 13. Choctawites kentuckiensis (Miller, 1889). (a) Cross section of specimen 57a from Moorefield, Arkansas; × 2.5. (b) Cross section of specimen MB.C.25470 from Moorefield, Arkansas; × 2.5. (c) Suture line of specimen MB.C.25471 from Moorefield, Arkansas, at 14.1 mm diameter, 10.2 mm ww, 6.6 mm wh; × 5.0. (d–f) Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (cross section (a) was produced by R. Kant; the original specimen is stored in the collections of the University of Iowa, acetate peels are stored in the collections of the GPI Tübingen).

Figure 12 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 12. Choctawites cumminsi (Hyatt, 1893) from San Saba (a–d) and the Figure 2 Ranch section (e, f). (a) Cross section of specimen 26- 13 from San Saba; × 2.5. (b) Cross section of specimen 26-2 from San Saba; × 2.5. (c) Cross section of specimen 26b from San Saba; × 2.5. (d) Cross section of specimen 26-10 from San Saba; × 2.5. (e) Cross section of specimen NPL 68499 from bed 25 (sample 00TXCU27) of Figure 2 Ranch; × 2.5. (f) Suture line of specimen NPL 68500 from bed 25 (sample 00TXCU27) of Figure 2 Ranch, at 14.4 mm diameter, 11.3 mm ww, 7.2 mm wh; × 5.0. (g–i), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of all available specimens (the cross sections of specimens (a–d) from San Saba were produced by R. Kant; the original specimens are stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen).

Figure 9. Goniatites multiliratus Gordon, 1962 from the Figure 2 Ranch section, Sierra Diablo. Specimen NPL 68494 from bed 17 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 9. Goniatites multiliratus Gordon, 1962 from the Figure 2 Ranch section, Sierra Diablo. Specimen NPL 68494 from bed 17 (sample OOTXCU-25); × 2.0.

Figure 7 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 7. Girtyoceras meslerianum (Girty, 1909), conch cross sections and ontogenetic trajectories of material from the Caney Shale of Jackfork Creek near Ada, Oklahoma (a–d). (a) Specimen MB.C.25466; × 2.5. (b) Specimen MB.C.25467; × 2.5. (c) Specimen MB.C.25468; × 2.5. (d) Specimen MB.C.25469; × 2.5. (e–g), ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and WER of the sectioned specimens and type material.

Figure 6 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 6. Girtyoceras meslerianum (Girty, 1909) from the Figure 2 Ranch section, Sierra Diablo. Specimen NPL 68364 from bed 17 (sample 00TXCU-25); × 4.0.

Figure 16 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 16. Suture lines of representatives of Pachylyroceras from localities in Utah, Nevada, and Texas; all × 6.0. (a) Pachylyroceras utahensis (Miller et al., 1952), specimen NPL 68561 from Skunk Spring, Utah, at 11.6 mm diameter, 8.3 mm ww, 5.6 mm wh. (b) Pachylyroceras utahensis (Miller et al., 1952), specimen MB.C.25472 from Hamilton Canyon, Nevada, at 9.3 mm ww, 6.1 mm wh. (c) Pachylyroceras cloudi (Miller and Youngquist, 1948), specimen NPL 68542 from bed 25 of the Figure 2 Ranch, Texas, at 13.2 mm ww, 8.0 mm wh.

Figure 5 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 5. Girtyoceras hamiltonense Korn and Titus, 2011 from the Figure 2 Ranch section, Sierra Diablo. Specimen NPL 68361 from bed 9 (sample 00TXCU-21b); × 2.5.

Figure 4 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 4. Descriptive terms for the conch morphology and suture lines of the ammonoids described here.

Figure 3 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 3. Global correlation chart for upper Viséan and lowest Serpukhovian ammonoid zones; after Ruzhencev and Bogoslovskaya (1971), Korn and Horn (1996), Korn et al. (2007), Korn and Kaufmann (2009) and Korn and Titus (2011).

Figure 11 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 11. Choctawites cumminsi (Hyatt, 1893) from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5. (a) Specimen NPL 68497. (b) Specimen NPL 68498.

Figure 8 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 8. Goniatites eganensis Korn and Titus, 2011 from the Figure 2 Ranch section, Sierra Diablo. (a) Specimen NPL 68431 from bed 9 (sample OOTXCU-21b); × 1.0. (b) Specimen NPL 68471 from bed 9 (sample OOTXCU-21b); × 1.25. (c) Specimen NPL 68493 from bed 11 (sample OOTXCU-22); × 1.75. (d) Specimen NPL 68389 from bed 9 (sample OOTXCU-21a); × 2.5.

Figure 2 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 2. Columnar King's section on the Figure 2 Ranch, Sierra Diablo, Texas, with the position of fossil samples and proposed biostratigraphic attribution.

Figure 1 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 1. Reference map showing location of the Figure 2 Ranch King section, Sierra Diablo, Culberson County, Texas.

Figure 14 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 14. Choctawites choctawensis (Shumard, 1863). (a) Cross section of topotype USNM 119504 from Brushy Creek, Oklahoma; × 2.5 (from Gordon, 1965). (b) Cross section of specimen 71 from Ada, Oklahoma; × 2.5. (c) Cross section of specimen 26-1 from San Saba; × 2.5. (d–f), Ontogenetic development of the conch width index (ww / dm), umbilical width index (uw / dm), and whorl expansion rate (WER) of all available specimens (the cross sections of specimens (b) and (c) from Ada and San Saba were produced by R. Kant; the original specimens is stored in the collections of the USNM, acetate peels are stored in the collections of the GPI Tübingen).

Figure 15 in Late Viséan (late Mississippian) ammonoids from the Barnett Shale, Sierra Diablo Escarpment, Culberson County, Texas, USA

Figure 15. Pachylyroceras cloudi (Miller and Youngquist, 1948) from bed 25 (sample 00TXCU-27) of the Figure 2 Ranch section; both × 2.5. (a) Specimen NPL 68540. (b) Specimen NPL 68541.