Alan Pradel; John G. Maisey; Paul Tafforeau; Royal H. Mapes; Jon Mallatt (2014). "A Palaeozoic shark with osteichthyan-like branchial arches". Nature. 509 (7502): 608–611. doi:10.1038/nature13195. PMID24739974. S2CID3504437.
Iris Feichtinger; Andrea Engelbrecht; Alexander Lukeneder; Jürgen Kriwet (2018). "New chondrichthyans characterised by cladodont-like tooth morphologies from the Early Cretaceous of Austria, with remarks on the microstructural diversity of enameloid". Historical Biology: An International Journal of Paleobiology. 32 (6): 1–14. doi:10.1080/08912963.2018.1539971. S2CID92392461.
Lund, Richard (1990-01-01). "Chondrichthyan life history styles as revealed by the 320 million years old Mississippian of Montana". Environmental Biology of Fishes. 27 (1): 1–19. doi:10.1007/BF00004900. ISSN1573-5133. S2CID13249799.
Lund, Richard; Lund, Wendy (1984). "New genera and species of coelacanths from the Bear Gulch Limestone (Lower Carboniferous) of Montana (U.S.A.)". Geobios. 17 (2): 237–244. doi:10.1016/s0016-6995(84)80145-x. ISSN0016-6995.
Lund, Richard; Greenfest-Allen, Emily; Grogan, Eileen D. (2015-02-01). "Ecomorphology of the Mississippian fishes of the Bear Gulch Limestone (Heath formation, Montana, USA)". Environmental Biology of Fishes. 98 (2): 739–754. doi:10.1007/s10641-014-0308-x. ISSN1573-5133. S2CID14850973.
Janvier, Philippe; Lund, Richard (1983). "Hardistiella montanensis n. gen. et sp. (Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys". Journal of Vertebrate Paleontology. 2 (4): 407–413. doi:10.1080/02724634.1983.10011943. ISSN0272-4634.
Schram, Frederick R.; Horner, John (1978). "Crustacea of the Mississippian Bear Gulch Limestone of Central Montana". Journal of Paleontology. 52 (2): 394–406. ISSN0022-3360. JSTOR1303712.
Schram, Frederick R.; Horner, John (1978). "Crustacea of the Mississippian Bear Gulch Limestone of Central Montana". Journal of Paleontology. 52 (2): 394–406. ISSN0022-3360. JSTOR1303712.
Welch, James R. (1984). "The Asteroid, Lepidasterella montanensis n. sp., from the Upper Mississippian Bear Gulch Limestone of Montana". Journal of Paleontology. 58 (3): 843–851. ISSN0022-3360. JSTOR1304921.
Alan Pradel; John G. Maisey; Paul Tafforeau; Royal H. Mapes; Jon Mallatt (2014). "A Palaeozoic shark with osteichthyan-like branchial arches". Nature. 509 (7502): 608–611. doi:10.1038/nature13195. PMID24739974. S2CID3504437.
Hagadorn, James W. (2002). "Bear Gulch: An Exceptional Upper Carboniferous Plattenkalk". In Bottjer, D.J.; Etter, W.; Hagadorn, J.W.; Tang, C.M. (eds.). Exceptional fossil preservation; a unique view on the evolution of marine life. New York: Columbia University Press. pp. 167–183.
Alan Pradel; John G. Maisey; Paul Tafforeau; Royal H. Mapes; Jon Mallatt (2014). "A Palaeozoic shark with osteichthyan-like branchial arches". Nature. 509 (7502): 608–611. doi:10.1038/nature13195. PMID24739974. S2CID3504437.
Iris Feichtinger; Andrea Engelbrecht; Alexander Lukeneder; Jürgen Kriwet (2018). "New chondrichthyans characterised by cladodont-like tooth morphologies from the Early Cretaceous of Austria, with remarks on the microstructural diversity of enameloid". Historical Biology: An International Journal of Paleobiology. 32 (6): 1–14. doi:10.1080/08912963.2018.1539971. S2CID92392461.
Lund, Richard (1990-01-01). "Chondrichthyan life history styles as revealed by the 320 million years old Mississippian of Montana". Environmental Biology of Fishes. 27 (1): 1–19. doi:10.1007/BF00004900. ISSN1573-5133. S2CID13249799.
Lund, Richard; Greenfest-Allen, Emily; Grogan, Eileen D. (2015-02-01). "Ecomorphology of the Mississippian fishes of the Bear Gulch Limestone (Heath formation, Montana, USA)". Environmental Biology of Fishes. 98 (2): 739–754. doi:10.1007/s10641-014-0308-x. ISSN1573-5133. S2CID14850973.
sju.edu
"Bear Gulch - Falcatus falcatus". Archived from the original on 2008-08-21. Retrieved 2008-09-04. Fossil Fish of Bear Gulch 2005 by Richard Lund and Eileen Grogan Accessed 2009-01-14
"Bear Gulch - Falcatus falcatus". Archived from the original on 2008-08-21. Retrieved 2008-09-04. Fossil Fish of Bear Gulch 2005 by Richard Lund and Eileen Grogan Accessed 2009-01-14
Lund, Richard (1990-01-01). "Chondrichthyan life history styles as revealed by the 320 million years old Mississippian of Montana". Environmental Biology of Fishes. 27 (1): 1–19. doi:10.1007/BF00004900. ISSN1573-5133. S2CID13249799.
Lund, Richard; Lund, Wendy (1984). "New genera and species of coelacanths from the Bear Gulch Limestone (Lower Carboniferous) of Montana (U.S.A.)". Geobios. 17 (2): 237–244. doi:10.1016/s0016-6995(84)80145-x. ISSN0016-6995.
Lund, Richard; Greenfest-Allen, Emily; Grogan, Eileen D. (2015-02-01). "Ecomorphology of the Mississippian fishes of the Bear Gulch Limestone (Heath formation, Montana, USA)". Environmental Biology of Fishes. 98 (2): 739–754. doi:10.1007/s10641-014-0308-x. ISSN1573-5133. S2CID14850973.
Janvier, Philippe; Lund, Richard (1983). "Hardistiella montanensis n. gen. et sp. (Petromyzontida) from the Lower Carboniferous of Montana, with remarks on the affinities of the lampreys". Journal of Vertebrate Paleontology. 2 (4): 407–413. doi:10.1080/02724634.1983.10011943. ISSN0272-4634.
Schram, Frederick R.; Horner, John (1978). "Crustacea of the Mississippian Bear Gulch Limestone of Central Montana". Journal of Paleontology. 52 (2): 394–406. ISSN0022-3360. JSTOR1303712.
Schram, Frederick R.; Horner, John (1978). "Crustacea of the Mississippian Bear Gulch Limestone of Central Montana". Journal of Paleontology. 52 (2): 394–406. ISSN0022-3360. JSTOR1303712.
Welch, James R. (1984). "The Asteroid, Lepidasterella montanensis n. sp., from the Upper Mississippian Bear Gulch Limestone of Montana". Journal of Paleontology. 58 (3): 843–851. ISSN0022-3360. JSTOR1304921.