Amyzon aggregatum

Taxonavigation

Taxonavigation: Catostomoidei

Superregnum: Eukaryota Cladus: Amorphea Cladus: Obazoa Cladus: Opisthokonta Cladus: Holozoa Cladus: Filozoa Cladus: Choanozoa Regnum: Animalia Subregnum: Eumetazoa Cladus: ParaHoxozoa Cladus: Bilateria Cladus: Nephrozoa Superphylum: Deuterostomia Phylum: Chordata Cladus: Olfactores Subphylum: Vertebrata Infraphylum: Gnathostomata Cladus: Eugnathostomata Cladus: Osteichthyes Classis: Actinopterygii Classis/Subclassis: Actinopteri Subclassis/Infraclassis: Neopterygii Infraclassis: Teleostei Megacohors: Osteoglossocephalai Supercohors: Clupeocephala Cohors: Otomorpha Subcohors: Ostariophysi Sectio: Otophysa Ordo: Cypriniformes Subordo:Catostomoidei

Familia: Catostomidae
Subfamilia:incertae sedis
Genus: †Amyzon
Species: A. aggregatum

Name

Amyzon aggregatum Wilson, 1977

Synonyms

• †Amyzon brevipinne Cope, in Lambe, 1906, pp. 153-5, plate I, figs. 1, 2; NMC 6190 from Horsefly Mine.
• †Amyzon commune Cope, in Lambe, 1906, p. 155, plate I, fig. 3; NMC 6191 from Horsefly Mine.
• †Amyzon brevipinne Cope in Cavender, 1968, p. 133, fig. 5d; specimens from Horsefly Mine including "NMC 1686" (probably NMC 9891).
• †Amyzon sp., Cope in Cavender 1968, p. 133, fig. 5d; specimens from Horsefly Mine including "NMC 1686" (probably NMC 9891).

Type material

• Holotype: ROM: 11019 A&B (complete adult)
  • Repository: Royal Ontario Museum, Toronto, Ontario, Canada
    • Collected: 1970 by Mark V. H. Wilson

• Topotypes: ROM 11001-11018, 11020-11025, 11027-11038, 11040-11061, 11063-11098 (complete adults)
  • Repository: Royal Ontario Museum, Toronto, Ontario, Canada
    • Collected: 1968 and 1970 by Mark V. H. Wilson

• Referred material: NMC 6190, 6191 A&B, 6191 C & D (complete adults) 9891 A - 9891 I, 9891 L - 9891 S (Fragmentary) 9891 O - 9891 R (scales)
  • Repository: Canadian Museum of Nature, Ottawa, Ontario, Canada.
    • Collected: 1895 by J. B. Hobson

• Referred material: ROM 19413-19416, 19421, 19424-19428, (complete adults) 11108, 11110, 11125, 11126, 11129, 11131, 11142 11143, 11145, 11146 (Fragmentary) 11006 C, 11006 D, 11201-11226, 11228, 11229, 11231-11236, 11238, 11239, 11241, 11242, 11244, 11247-11249, 11251, 11252, 11254-11257, 11259-11264, 11266, 11269, 11270, 11272-11282, 11284-11288, 11291, 11292, 11139C, 11293-11296, 11299, 11302-11304, 11307, 11308, 11310, 11312, 11313, 11314-11318, 11320-11322, 11325, 11327 A, 11327C, 11329, 11332-11342, 11348, 11351-11359, 11360, 11362, 11363, 11365 (scales)
  • Repository: Royal Ontario Museum, Toronto, Ontario, Canada

• Referred material: UBC B2301 (complete adult)
  • Repository: University of British Columbia, Metro Vancouver Regional District, British Columbia, Canada

Type locality

Eocene, Ypresian; Unnamed Shale beds "Horsefly Shales", Unnamed sediments group; Horsefly Mine, Horsefly, Horsefly River Valley, Cariboo region, south-central British Columbia, Canada

Etymology

• "The specific name aggregatum is the neuter form of the Latin adjective aggregatus, -a, -um, which means collected, clustered, assembled."

Distribution

Eocene

• Ypresian
• Eocene Okanagan Highlands
  • Unnamed Shale beds "Horsefly Shales", Unnamed sediments group; Horsefly Mine Upper Beds (L88), Horsefly River Valley, Cariboo region, central British Columbia, Canada
  • Unnamed Shale beds "Horsefly Shales", Unnamed sediments group; Horsefly Mine lower Beds (L87), Horsefly River Valley, Cariboo region, central British Columbia, Canada
  • Unnamed Shale beds "Horsefly Shales", Unnamed sediments group; Western Black Creek Road (L89), Horsefly River Valley, Cariboo region, central British Columbia, Canada
  • Unnamed Shale beds "Horsefly Shales", Unnamed sediments group; Eastern Black Creek Road (L97), Horsefly River Valley, Cariboo region, central British Columbia, Canada

References

Primary references

• Wilson, M.V.H. 1977. Middle Eocene freshwater fishes from British Columbia. Life Sciences Contributions, Royal Ontario Museum 113: 1–61. ISSN 0384-8159. https://archive.org/details/middleeocenefres00wils.  Reference page. 

Additional references

• Bruner, J.C. 1991. Comments on the genus Amyzon (family Catostomidae). Journal of Paleontology 65(4): 678-686. doi:10.1017/S0022336000030766.  Reference page. 
• Liu, Juan 2021. Redescription of 'Amyzon' brevipinne and remarks on North American Eocene catostomids (Cypriniformes: Catostomidae) (in en). Journal of Systematic Palaeontology 19(9): 677–689. doi:10.1080/14772019.2021.1968966. ISSN 1477-2019.  Reference page.