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File:Palaeoxyris diagram.jpg

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Description From source: Morphology of the Mesozoic Palaeoxyris fossil chondrichthyan egg case. The egg case consists of three sections: the beak, body and pedicle. A long tendril extended from the beak which aided in the anchoring and attachment of specimens to bottom structures and aquatic plants. A collarette flanks the side of the egg case and is distinctive for different species. The collarette in the Mesozoic form of Palaeoxyris extends down the pedicle in a vertical manner, a different morphology from that of Palaeozoic specimens.
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Source 3D imaging of shark egg cases (Palaeoxyris) from Sweden with new insights into Early Jurassic shark ecology
Author Ashley Krüger,Sam Slater &Vivi Vajda
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Date/TimeThumbnailDimensionsUserComment
current18:08, 17 December 2023Thumbnail for version as of 18:08, 17 December 20231,200 × 1,931 (102 KB)Hemiauchenia{{Information |Description= From source: Morphology of the Mesozoic Palaeoxyris fossil chondrichthyan egg case. The egg case consists of three sections: the beak, body and pedicle. A long tendril extended from the beak which aided in the anchoring and attachment of specimens to bottom structures and aquatic plants. A collarette flanks the side of the egg case and is distinctive for different species. The collarette in the Mesozoic form of Palaeoxyris extends down the pedicle in a vertical man...

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