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Cyamodus

Index Cyamodus

Cyamodus (pron.: SIE-ah-MO-dus) is a genus of placodonts discovered from fossil remains in Germany in the early-to-mid-19th century and was named by Christian Erich Hermann von Meyer in 1863. [1]

10 relations: Anisian, Ladinian, Lariosaurus, List of examples of convergent evolution, List of marine reptiles, Macroplacus, Paraplacodus, Placodont, Placodontiformes, Psephoderma.

Anisian

In the geologic timescale, the Anisian is the lower stage or earliest age of the Middle Triassic series or epoch and lasted from million years ago until million years ago.

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Ladinian

The Ladinian is a stage and age in the Middle Triassic series or epoch.

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Lariosaurus

Lariosaurus is an extinct genus of nothosaurid from the Middle Triassic (late Anisian to late Ladinian stage) of central and western Europe and China.

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List of examples of convergent evolution

Convergent evolution — the repeated evolution of similar traits in multiple lineages which all ancestrally lack the trait — is rife in nature, as illustrated by the examples below.

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List of marine reptiles

Following is a list of marine reptiles, reptiles which are adapted to life in a marine environment.

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Macroplacus

Macroplacus is an extinct genus of placodont reptiles.

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Paraplacodus

Paraplacodus broilli is an extinct placodont sauropterygian from the middle Triassic period, from the Anisian until Ladinian stages.

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Placodont

Placodonts ("Tablet teeth") is an extinct order of marine reptiles that lived during the Triassic period, becoming extinct at the end of the period.

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Placodontiformes

Placodontiformes is a clade of sauropterygian marine reptiles that includes placodonts and the non-placodont Palatodonta.

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Psephoderma

Psephoderma (meaning "pebbly skin", from the Ancient Greek psepho (ψῆφος), "pebbly", and derma (δέρμα), "skin" is a genus of placodont that was very similar to its relatives Placochelys and Cyamodus. Psephoderma had a flattened skull and a narrow, straight rostrum. Inside this skull, embedded in the jaws, were rounded teeth specialized for crushing the shellfish it ate. Unlike most placodonts, Psephoderma had a carapace that was divided into two pieces, one on the shoulders and back, another on the rear end. Psephoderma grew to 180 cm long and lived in the Late Triassic (Norian), about 210 million years ago. It was one of the last placodonts to live.

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Redirects here:

Cyamodontid, Cyamodontidae.

References

[1] https://en.wikipedia.org/wiki/Cyamodus

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