Dinokaart nr. 0816 van 2 027

Honghesaurus

Naam beteken: “Honghe lizard, named after the Honghe Prefecture in China where it was found”1

Het geëet: VleisSeereptieleMiddel-TriasTegnies nie 'n dinosourus nie

Honghesaurus was a small, lizard-like marine reptile that swam in the warm Tethys Ocean about 244 million years ago. It had an incredibly long tail, longer than any other pachypleurosaur, which helped it wiggle through the water like a fish.1

Prettige feit: hierdie seereptiel het geswem terwyl dinosourusse op land geloop het. Almal noem hulle dino's, maar hulle was 'n ander tak van die reptiele.

Het geleef

244 tot 243 miljoen jaar gelede2

Middel-Trias

Fossiele gevind in

Luxi, Honghe, Yunnan, China1 2

Lengte

0,471 m (1,5 ft)1

Topspoed

omtrent 4 km/h (2 mph)

Swem, skatting

Wanneer het dit geleef?

Trias

Jura

Kryt

252 miljoen jaar gelede20114566, die asteroïde

Hoe groot was dit?

Hoe lank was dit?

so lank soos 2,5 piesangs punt aan puntso lank soos 15 speelgoedboustene in 'n rykon die lengte van 'n groot swembad (50 m) in 45 sekondes swem

Hoe groot was Honghesaurus vergeleke met JOU?

Net wiskunde in jou blaaier. Niks word gestoor of êrens heen gestuur nie.

Hoe vinnig was dit?

Honghesaurus omtrent 4 km/h (2 mph)

'n Mens wat loop omtrent 5 km/h (3 mph)

'n Kind op 'n fiets omtrent 12 km/h (7 mph)

'n Galopperende perd omtrent 65 km/h (40 mph)

'n Jagluiperd omtrent 100 km/h (62 mph)

cool goed

Prettige feite

Honghesaurus had 121 vertebrae in total, including 69 in its tail, making it the longest-tailed pachypleurosaur known.1

Its long trunk and tail gave it an advantage in maneuverability and energy efficiency for swimming with side-to-side movements.1

It had a unique feature: two fossae (small pits) in its retroarticular process, a part of the jaw, which is not seen in any other pachypleurosaur.1

Its tail was mostly laterally compressed because it had only five pairs of caudal ribs, helping it move through water efficiently.1

Honghesaurus had 29 dorsal (back) vertebrae, more than most other pachypleurosaurs, which usually have 25 or fewer.1

It lived in a semi-enclosed sea called the Yangtze Sea, part of the eastern Palaeotethys Ocean, during the Middle Triassic.1

KI-prent van Honghesaurus — 'n KI-prent van hoe Honghesaurus dalk gelyk het, deur 'n rekenaar gemaak uit wat wetenskaplikes weet. Dit is 'n raaiskoot: die regte dier het dalk anders gelyk, en niemand weet wat sy regte kleure was nie.

Vir dino-kenners

Wetenskaplike naam: Honghesaurus
Benoem deur: Xu et al. 20222
Groep: Seereptiele
Familie / klade: Pachypleurosauridae2
Klassifikasie: Sauropterygia2
Ouderdom van die rotse: 244 tot 243 miljoen jaar ()2
Rotsformasies: Guanling2
Lande: China2
Fossielrekords: 1 in The Paleobiology Database2
Ontdekking: The fossil was collected in 2021 during autumn fieldwork led by the first author, from the Guanling Formation in Luxi, Yunnan, China. It was named by Xu and colleagues in 2022.1 2
Steeds omstrede: Scientists are still debating how Honghesaurus and other pachypleurosaurs are related to each other, and whether they all came from Europe or spread from the east.1

Waar die feite vandaan kom

A long-tailed marine reptile from China provides new insights into the Middle Triassic pachypleurosaur radiation | Scientific Reports (nature.com)
Honghesaurus in The Paleobiology Database (CC BY 4.0): ouderdom, plekke, rotsformasies, klassifikasie.

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