Heckelodes

Last updated

Heckelodes
Temporal range: Rupelian
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
Chondrichthyes
Superorder:
Galeomorphi?
Genus:
†Heckelodes

Greenfield, 2025 [1]
Type species
†Heckelodes priscus
(Heckel, 1854) [2]
Synonyms
Genus synonymy
Species synonymy
    • Galeodes priscus
      Heckel, 1854
    • Galeocerdo priscus
      (Heckel, 1854) [4]

Heckelodes is an extinct genus of sharks that lived during the early Oligocene. It contains one species, H. priscus, which has been found in Italy.

Taxonomy

Galeodes priscus was named by Johann J. Heckel in 1854 for a skin impression (containing dermal denticles) from the Chiavon  [ it ] locality in Italy. [2] The holotype is located at the Museo Civico di Storia Naturale, Verona  [ it ]. [4] The original genus name was preoccupied by the solifugid Galeodes [3] and was replaced by Heckelodes in 2025. [1]

In 1889, Francesco Bassani reassigned the species to Galeocerdo and referred 2 teeth and 13 vertebrae from the same locality. [4] That synonymy was accepted by other researchers like Arthur S. Woodward [5] , Errol I. White and James A. Moy-Thomas, [6] and Henry W. Fowler. [7] However, this material has no overlap and is possibly chimaeric; one tooth is similar to Physogaleus and the vertebrae could be from a lamniform. [1] H. priscus cannot be identified as a species of Galeocerdo based on its holotype. [8]

References

  1. 1 2 3 Greenfield, T. (2025). "Heckelodes and Coquandon nom. nov., replacement names for Galeodes Heckel, 1854 and Orthodon Coquand, 1859 (Chondrichthyes, ?Galeomorphii)". Zootaxa. 5696 (2): 298–300. doi:10.11646/zootaxa.5696.2.10.
  2. 1 2 Heckel, J.J. (1854). "Über fossile Fische aus Chiavon und das geologische Alter der sie enthaltenden Schichten". Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse. 11 (2): 322–334.
  3. 1 2 Olivier, G.-A. (1791–1792). Encyclopédie méthodique. Histoire naturelle. Insectes. Tome sixième. Paris, FR: Panckoucke. p.  578. doi: 10.5962/bhl.title.82248 .
  4. 1 2 3 Bassani, F. (1889). "Ricerche sui pesci fossili di Chiavòn (Strati di Sotzka — Miocene Inferiore)". Atti della Reale Accademia delle Scienze Fisiche e Matematiche, Serie Seconda. 3 (6): 1–104.
  5. ↑ Woodward, A.S. (1889). Catalogue of the Fossil Fishes in the British Museum (Natural History), Cromwell Road, S.W. Part I. Containing the Elasmobranchii. London, GB: Trustees of the British Museum. p.  448. doi: 10.5962/bhl.title.161983 .
  6. ↑ White, E.I.; Moy-Thomas, J.A. (1940). "Notes on the nomenclature of fossil fishes. Part II. Homonyms D–L". The Annals and Magazine of Natural History, Eleventh Series. 6 (31): 98–103. doi:10.1080/00222934008527079.
  7. ↑ Fowler, H.W. (1941). "Contributions to the biology of the Philippine archipelago and adjacent regions. The fishes of the groups Elasmobranchii, Holocephali, Isospondyli, and Ostarophysi obtained by the United States Bureau of Fisheries steamer "Albatross" in 1907 to 1910, chiefly in the Philippine islands and adjacent seas". United States National Museum Bulletin. 100 (13): 1–879.
  8. ↑ Türtscher, J.; López-Romero, F.A.; Jambura, P.L.; Kindlimann, R.; Ward, D.J.; Kriwet, J. (2021). "Evolution, diversity, and disparity of the tiger shark lineage Galeocerdo in deep time". Paleobiology. 47 (4): 574–590. Bibcode:2021Pbio...47..574T. doi:10.1017/pab.2021.6. PMC   7612061 . PMID   34866693.
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