Opallionectes
Opallionectes was a plesiosaur, a long-necked marine reptile that swam in the seas near Australia. It had needle-sharp teeth and ate fish and squid. Its bones were turned into opal, a shiny gemstone!1
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Datu dibertigarriak
Opallionectes lived about 115 million years ago in a cold, possibly freezing sea.1
Its skeleton was found in an opal mine and parts of it turned into opal, a precious gemstone.1
It had fine, needle-like teeth that were flattened side to side, similar to ancient nothosaurs.1
Opallionectes is considered a missing link between older plesiosaurs from 165 million years ago and those from 66 million years ago.1
Scientists think it might have migrated to warmer waters or had a high metabolism to survive the cold.1

Dino adituentzat
- Izen zientifikoa
- Opallionectes
- Izendatzailea:
- Kear 20063
- Taldea
- Plesiosauroak
- Familia / klada
- Plesiosauroidea3
- Sailkapena
- Plesiosauria > Sauropterygia3
- Arroken adina
- 120 eta 113 milioi urte artean (Aptian)3
- Arroka-formazioak
- Bulldog Shale3
- Herrialdeak
- Australia3
- Fosil-erregistroak
- 1 The Paleobiology Database datu-basean3
- Aurkikuntza
- The species Opallionectes andamookaensis was named by Benjamin P. Kear in 2006, based on a partial opalized skeleton found in an opal mine at Andamooka, South Australia.13
- Oraindik eztabaidagai
- Scientists are not sure exactly how Opallionectes adapted to the cold waters it lived in, whether by migrating or by having a higher body temperature.1
Datuak nondik datozen
- Opallionectes (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Opallionectes in The Paleobiology Database (CC BY 4.0): adina, tokiak, arroka-formazioak, sailkapena.
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