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Ictitherium

From Wikipedia, the free encyclopedia
Extinct genus of carnivores

Ictitherium
Skeletal mount,Tianjin Natural History Museum
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Carnivora
Family:Hyaenidae
Subfamily:Ictitheriinae
Genus:Ictitherium
Wagner, 1848
Type species
Ictitherium viverrinum
Roth & Wagner, 1854
Species
Synonyms
Genus synonymy
  • ParaictitheriumDucrotay, 1903
  • LeptohyaenaDepéret, 1914
  • SinictitheriumZhongjian, 1937
  • GaleotheriumWagner, 1840
Species synonymy
  • I. viverrinum:
    • Galeotherium gen. nov.Wagner, 1840
    • Ictitherium robustum(Nadmann, 1859) Gaudry, 1862
    • Thalassictis gracilisHensel, 1862
    • Thalassictis viverrina(Roth & Wagner, 1852) Hensel, 1862
    • Ictitherium gaudryiZdansky, 1924
    • Ictitherium sinenseZdansky, 1924
    • Palhyaena? gaudryiZdansky, 1938
    • Sinictitherium sinenseKretzoi, 1938
  • I. tauricum:
    • Protictitherium? tauricum(Borissiak, 1915) Schmidt-Kittler, 1976
    • Protictitherium crassumDepéret, 1976
  • I. pannonicum:
    • Palhyaena hungaricaKretzoi, 1938
    • Ictitherium cf.robustumNordmann, 1952
    • Thalassictis aff.hipparionum(Gervais, 1846) Adrover et al., 1986
  • I. ibericum:

Ictitherium (meaning "weasel beast") is anextinctgenus belonging to thefamilyHyaenidae and thesubfamilyIctitheriinae erected by Trouessart in 1897.[1]Ictitherium lived throughoutEurasia during theLate Miocene.[2]

Description

[edit]
I. viverrinumlife restoration

Ictitherium were around 1.2 metres (4 ft) long, and looked more likecivets than modern hyenas, possessing a long body with short legs and a possibly shorttail.

Palaeoecology

[edit]

It is speculated thatI. viverrinum was an opportunistic feeder,[3] and that it ate plants as well as medium-small mammals and birds.[4] It would have consumed bone, as itsteeth were much more suited forosteophagy than more basal hyaenids because itsHunter-Schreger bands (HSBs) were zigzag throughout theenamel with the exception of thecervix.[5]I. viverrinum occupied a similar ecological niche as and competed withHyaenictitherium wongii.[6]Ictitherium was a very successful and abundant genus, with multiple fossils often being found at a single site.[7]

References

[edit]
Wikimedia Commons has media related toIctitherium.
  1. ^"Paleobiology Database:Ictitherium basic info".Archived from the original on 13 October 2012. Retrieved5 August 2009.
  2. ^Werdelin, Lars; Solounias, Nikos (1991)."The Hyaenidae: taxonomy, systematics, and evolution".Fossils and Strata.30:1–104.doi:10.18261/8200374815-1991-01.ISBN 82-00-37481-5.
  3. ^Rivals, Florent; Belyaev, Ruslan I.; Basova, Vera B.; Prilepskaya, Natalya E. (15 May 2024)."A tale from the Neogene savanna: Paleoecology of the hipparion fauna in the northern Black Sea region during the late Miocene".Palaeogeography, Palaeoclimatology, Palaeoecology.642 112133.Bibcode:2024PPP...64212133R.doi:10.1016/j.palaeo.2024.112133.
  4. ^"Carnivoran Dietary Adaptations: A Multiproxy Study on the Feeding Ecology of the Fossil Carnivorans of Greece". 14 Feb 2021.
  5. ^Ferretti, Marco P. (20 April 2006)."Evolution of bone-cracking adaptations in hyaenids (Mammalia, Carnivora)".Swiss Journal of Geosciences.100 (1):41–52.doi:10.1007/s00015-007-1212-6.ISSN 1661-8726. Retrieved4 November 2025 – via Springer Nature Link.
  6. ^Kargopoulos, Nikolaos; Roussiakis, Socrates; Kampouridis, Panagiotis; Koufos, George (30 January 2023)."Interspecific competition in ictitheres (Carnivora: Hyaenidae) from the Late Miocene of Eurasia".Comptes Rendus Palevol (3).doi:10.5852/cr-palevol2023v22a3.ISSN 1777-571X. Retrieved14 August 2025 – via Publications Scientifiques.
  7. ^Palmer, D., ed. (1999).The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 221.ISBN 1-84028-152-9.
Genera ofcivets,mongooses,hyenas,cats, and their extinct allies
Palaeogalidae
Nimravidae
Aeluroidea
Nandiniidae
Viverroidea
Viverridae
Genettinae
Hemigalinae
Paradoxurinae
Viverrinae
Herpestoidea
Herpestidae
    • See below↓
Hyaenidae
    • See below↓
Feloidea
    • See below↓
Eupleridae
Euplerinae
Galidiinae
Herpestidae
Herpestinae
Mungotinae
Percrocutidae?
Lophocyonidae
Hyaenidae
Ictitheriinae
Protelinae
Hyaeninae
Barbourofelidae
Prionodontidae
Felidae
Proailurinae
Felinae
Machairodontinae
Pantherinae
Ictitherium
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