Galecyon Gingerich & Deutsch 1989

Galecyon ("polecat-dog") is an extinct genus of placental mammals from extinct order Hyaenodonta, that lived in Europe and North America (found in the Clarks Fork and Powder River basins of Wyoming) during the early Eocene.^[9][1]

Description

Galecyon had robust canines and short, deep jaws. Prior to 2015, little was known about its post-cranial skeleton.^[1] However, following the discovery of more complete fossils, it is now known to have been a primarily terrestrial animal weighing between 5.2 and 7.9 kg (11 and 17 lb), lacking the adaptations for climbing found in some of its close relatives.^[10]

Phylogeny

The phylogenetic relationships of genus Galecyon are shown in the following cladogram.^{[11][12][13][14][15]}

†Hyaenodonta

†Eoproviverra

†Boualitomidae

†Arfiidae

†Limnocyonidae

†Sinopidae

†Hyaenodontoidea

†Galecyon

†Galecyon chronius

†Galecyon morax

†Galecyon peregrinus

†Galecyon gallus

†Galecyon morloi

†Gazinocyon

†Pyrocyon

†Afro‑Arabian clade

†Parvavorodon

†Indohyaenodontidae

†Glibzegdouia

†Koholiidae

†Tritemnodon

†Teratodontidae

†Apterodontinae

†Maocyon

†Maocyon/Orienspterodon clade

†Orienspterodon

†Hyainailourinae

†Hemipsalodon

?

†Ischnognathus

†Akhnatenavus clade

†Akhnatenavus

†"Pterodon" sp. (BC 15’08)

†Hyainailourinae sp. (UON 84-359)

†Hyainailourinae sp. C (DPC 9243 & DPC 10315)

†Hyainailourinae sp. D (DPC 6545)

†Kerberos

†"Pterodon" syrtos

†Pterodon clade

†Pterodontina

†Hyainailourinae sp. A (DPC 6555)

†"Pterodon" africanus

†Parapterodon

†"Pterodon" sp. (DPC 5036)

†"Pterodon" phiomensis

†Hyainailourini

†Paroxyaenini

†Falcatodon

†Sectisodon

†Exiguodon

†Isohyaenodon zadoki

†Isohyaenodon (†Isohyaenodontina)

†Isohyaenodon andrewsi

†Sivapterodon

†Hyainailouros bugtiensis

†Hyainailouros napakensis

†Hyainailouros

†Hyainailouros sulzeri

†Hyainailourinae sp. (GSN AD 100’96)

†Simbakubwa

†Leakitheriini

†Megistotherium

†Mlanyama

†Metapterodontini

†Pakakali

†Prionogalidae

†Hyainailouridae

See also

• Mammal classification
• Hyaenodonta

References

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