Pituriaspida.gif((375 × 237 pixel, laki ng talaksan: 12 KB, uri ng MIME: image/gif))

Buod

Paglalarawan
English: Pituriaspis (Pituriaspida). Pituriaspids are mainly known by Pituriaspis, from the Devonian of Australia. As a whole, their headshield is quite similar to that of osteostracans, though devoid of a naso-hypophysial opening. The mouth, gill openings and presumably the nasal aperture were all situated on the ventral side of the head. Well-developed paired fins attached on either sides of the headshield. The only diagnostic feature of pituriaspids is an enigmatic pit adjacent to the eyes.
Petsa
Pinanggalingan
This image is uploaded as image number 4380 at Tree of Life Web Project (tolweb.org).
This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing for more information.
May-akda Philippe Janvier

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This file, which was originally posted to http://tolweb.org/media/4380, was reviewed on 24 March 2014 by reviewer Lymantria, who confirmed that it was available there under the stated license on that date.

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ngayon10:17, 12 Enero 2010Thumbnail para sa bersyon noong 10:17, 12 Enero 2010375 × 237 (12 KB)Haplochromis{{Information |Description={{en|1=''Pituriaspis'' (Pituriaspida). Pituriaspids are mainly known by ''Pituriaspis'', from the Devonian of Australia. As a whole, their headshield is quite similar to that of osteostracans, though devoid of a naso-hypophysial

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