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397 Views 1 Reply Last post: Sep 3, 2013 7:18 AM by MikeHardman RSS
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Sep 2, 2013 10:48 PM

Fossils? Leaf imprints?

My daughter found a rock in our yard with several markings on it that look like fossils:


(Click on images to zoom in)


Could anyone tell me what these might be? Thank you!


(If it would be better to attack the images instead of hosting them online, let me know.)

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    Sep 3, 2013 7:18 AM (in response to benjdm)
    Re: Fossils? Leaf imprints?

    I think this is a fossil bryozoan.

    (It could also be a gorgonian (closely related to coral, commonly called sea fans), but the branching geometry makes me lean towards bryozoan.)


    Within the Bryozoa, I have in mind the fan-type, though there are also the miniature stag-horn ones which are fairly close but more 3-dimensional. The photos of modern ones here give some idea of the range of shape. This one is quite like yours - search this page for 'Crisina radians'.



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