Английская Википедия:Hyotissa semiplana

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Шаблон:Short description Шаблон:Speciesbox

Hyotissa semiplana is an extinct species of large saltwater oysters, a fossil marine bivalve mollusk in the family Gryphaeidae, the foam oysters[1]

Description

Fossil shells of Hyotissa semiplana can reach a diameter of about Шаблон:Convert.[2] They have thick-walled valves, with rough, nodose surface.[3][4]

Distribution

Fossils of this species have been found in the Campanian-Maestrichtian of Poland, in the Santonian-Maestrichtian of Europe and North Africa and in the Campanian of South India.[3][5]

References

Шаблон:Reflist

Шаблон:Taxonbar

Шаблон:Bivalve-stub