Samiksha Jaiswal (Editor)

Pilina solarium

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Kingdom  Animalia
Class  Monoplacophora
Superfamily  Tryblidioidea
Phylum  Mollusca
Order  Tryblidiida
Family  Tryblidiidae
Pilina solarium

Pilina solarium is an extinct species of a paleozoic Silurian monoplacophoran. It was first named as Palaeacmaea solarium and described by Gustaf Lindström from Silurian of Gotland in Sweden in 1884.

Contents

Shell description

The shell is patelliform and regularly acuminate. The apex is nearly median or slightly anterior. The outline of the shell is oblongate. The outside of the shell is smooth, only concentrically wrinkled at regular distances by larger elevated ridges, the interstices between them being finely striated by parallel lines. Interiorly there is around the apex a narrow circle of detached muscular scars, visible on the nucleus.

The length of the shell is 6 mm, width 4 mm and the height of the shell is 3 mm.

Distribution

Gustaf Lindström have found two specimens in the red, conchiferous limestone of Sandarfve kulle.

References

Pilina solarium Wikipedia


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