Plesiotylosaurus crassidens
描述：
Description: English: Reconstruction of Plesiotylosaurus crassidens, Late Cretaceous Mosasaur from CaliforniaРусский: Реконструкция Plesiotylosaurus crassidens , позднемелового мозазавра из Калифорнии. Date: 9 September 2014. Source: Own work. Author: DiBgd.
包含在以下頁面：
- Crocodyloidea
- Eukaryota (真核生物)
- Unikonta
- Opisthokonta
- Holozoa
- Filozoa
- Apoikozoa
- Metazoa
- Eumetazoa
- Bilateria
- Deuterostomia (後口動物)
- Chordata (脊索動物門)
- Olfactores
- Craniata
- Vertebrata (脊椎動物亞門)
- Gnathostomata (有頜類)
- Osteichthyes (硬骨魚)
- Sarcopterygii (肉鰭魚)
- Dipnotetrapodomorpha
- Tetrapodomorpha
- Tetrapoda (四足類)
- Reptiliomorpha
- Amniota
- Sauropsida
- Reptilia (爬行動物)
- Eureptilia
- Romeriida
- Diapsida
- Neodiapsida
- Sauria
- Lepidosauromorpha (鱗龍形下綱)
- Lepidosauria (鱗龍超目)
- Squamata (有鱗目)
- Episquamata
- Toxicofera
- Anguimorpha
- Mosasauroidea
- Mosasauridae
- Mosasaurinae (滄龍亞科)
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