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| '''''Ahvaytum''''' (meaning "long ago") is an ] genus of probable ] ] ]n dinosaurs from the ] ] of ], United States. The genus contains a ], '''''A. bahndooiveche''''', known from fragmentary hindlimb bones. ''Ahvaytum'' represents the oldest known named low-latitude dinosaur and dinosaur from ].<ref name="Ahvaytum">{{Cite journal |last1=Lovelace |first1=David M |last2=Kufner |first2=Aaron M |last3=Fitch |first3=Adam J |last4=Curry Rogers |first4=Kristina |last5=Schmitz |first5=Mark |last6=Schwartz |first6=Darin M |last7=LeClair-Diaz |first7=Amanda |last8=St.Clair |first8=Lynette |last9=Mann |first9=Joshua |last10=Teran |first10=Reba |date=2025-01-01 |title=Rethinking dinosaur origins: oldest known equatorial dinosaur-bearing assemblage (mid-late Carnian Popo Agie FM, Wyoming, USA) |journal=Zoological Journal of the Linnean Society |volume=203 |issue=1 |pages=zlae153 |doi=10.1093/zoolinnean/zlae153 |issn=0024-4082 |url=https://academic.oup.com/zoolinnean/article/203/1/zlae153/7942678}}</ref> | '''''Ahvaytum''''' (meaning "long ago") is an ] genus of probable ] ] ]n dinosaurs from the ] ] of ], United States. The genus contains a ], '''''A. bahndooiveche''''', known from fragmentary hindlimb bones. ''Ahvaytum'' represents the oldest known named low-latitude dinosaur and dinosaur from ].<ref name="Ahvaytum">{{Cite journal |last1=Lovelace |first1=David M |last2=Kufner |first2=Aaron M |last3=Fitch |first3=Adam J |last4=Curry Rogers |first4=Kristina |last5=Schmitz |first5=Mark |last6=Schwartz |first6=Darin M |last7=LeClair-Diaz |first7=Amanda |last8=St.Clair |first8=Lynette |last9=Mann |first9=Joshua |last10=Teran |first10=Reba |date=2025-01-01 |title=Rethinking dinosaur origins: oldest known equatorial dinosaur-bearing assemblage (mid-late Carnian Popo Agie FM, Wyoming, USA) |journal=Zoological Journal of the Linnean Society |volume=203 |issue=1 |pages=zlae153 |doi=10.1093/zoolinnean/zlae153 |issn=0024-4082 |url=https://academic.oup.com/zoolinnean/article/203/1/zlae153/7942678}}</ref> | ||
| == |
== Discovery and naming == | ||
| The ''Ahvaytum'' fossil material was discovered in outcrops of the lower ] (Garrett's Surprise locality) in west-central Wyoming, United States. The ] specimen, UWGM 1975, is an isolated left ]. Specimen UWGM 7549, a partial left ] (] end) was referred to ''Ahvaytum'' since it was found within a {{convert|5|m|ft}} ] of the holotype and its anatomy is consistent with saurischians.<ref name="Ahvaytum"/> | |||
| The binomial name ''Ahvaytum bahndooiveche'' is created in the ] language by students and elders of that ], intended to counteract a perceived "colonialism" in the form of using names derived from European languages. The generic name, ''Ahvaytum'' ({{IPA-all|ɔveɪtəm}}), means "long ago" and refers to the specimen's old age, and the specific name, ''bahndooiveche'' ({{IPA-all|bɔnduivitʃi}}), means both "salamander" (referring to the salamanders present around the discovery location) and "dinosaur".<ref name=Ahvaytum /> | The binomial name ''Ahvaytum bahndooiveche'' is created in the ] language by students and elders of that ], intended to counteract a perceived "colonialism" in the form of using names derived from European languages. The generic name, ''Ahvaytum'' ({{IPA-all|ɔveɪtəm}}), means "long ago" and refers to the specimen's old age, and the specific name, ''bahndooiveche'' ({{IPA-all|bɔnduivitʃi}}), means both "salamander" (referring to the salamanders present around the discovery location) and "dinosaur".<ref name=Ahvaytum /> | ||
Revision as of 03:20, 8 January 2025
Genus of early sauropodomorph dinosaurs
| Ahvaytum Temporal range: Late Triassic (Carnian), ~230 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha (?) |
| Genus: | †Ahvaytum Lovelace et al., 2025 |
| Species: | †A. bahndooiveche |
| Binomial name | |
| †Ahvaytum bahndooiveche Lovelace et al., 2025 | |
Ahvaytum (meaning "long ago") is an extinct genus of probable basal sauropodomorph saurischian dinosaurs from the Late Triassic Popo Agie Formation of Wyoming, United States. The genus contains a single species, A. bahndooiveche, known from fragmentary hindlimb bones. Ahvaytum represents the oldest known named low-latitude dinosaur and dinosaur from Laurasia.
Discovery and naming
The Ahvaytum fossil material was discovered in outcrops of the lower Popo Agie Formation (Garrett's Surprise locality) in west-central Wyoming, United States. The holotype specimen, UWGM 1975, is an isolated left astragalus. Specimen UWGM 7549, a partial left femur (proximal end) was referred to Ahvaytum since it was found within a 5 metres (16 ft) radius of the holotype and its anatomy is consistent with saurischians.
The binomial name Ahvaytum bahndooiveche is created in the Eastern Shoshone language by students and elders of that people, intended to counteract a perceived "colonialism" in the form of using names derived from European languages. The generic name, Ahvaytum (IPA: [ɔveɪtəm]), means "long ago" and refers to the specimen's old age, and the specific name, bahndooiveche (IPA: [bɔnduivitʃi]), means both "salamander" (referring to the salamanders present around the discovery location) and "dinosaur".
References
- ^ Lovelace, David M; Kufner, Aaron M; Fitch, Adam J; Curry Rogers, Kristina; Schmitz, Mark; Schwartz, Darin M; LeClair-Diaz, Amanda; St.Clair, Lynette; Mann, Joshua; Teran, Reba (2025-01-01). "Rethinking dinosaur origins: oldest known equatorial dinosaur-bearing assemblage (mid-late Carnian Popo Agie FM, Wyoming, USA)". Zoological Journal of the Linnean Society. 203 (1): zlae153. doi:10.1093/zoolinnean/zlae153. ISSN 0024-4082.
