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| FAMILY list (thumbnails) |
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| FAMILY list (names only) |
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| ACANTHOCERATIDAE (geographic) |
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| ACANTHOCERATIDAE (thumbnails) |
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| ACANTHOCERATIDAE (thumb+maps) |
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| ACANTHOCERATIDAE (names only) |
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| ACANTHOCERATIDAE (no synonyms) |
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| ACANTHOCERATIDAE (no variety) |
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Class: CEPHALOPODA
--- Taxon Tree: AMMONOIDEA [Subclass] - AMMONITIDA [Order] - ACANTHOCERATOIDEA [Superfamily]
------ Family: ACANTHOCERATIDAE Grossouvre, 1894 † (Sea)
--------- SubFamily: ACANTHOCERATINAE
------------ Genus: Protacanthoceras Sharpe, 1853 †
| --------------- Species: Protacanthoceras arkelli Wright & J. Kennedy, 1980 † - ID: 8028000414 | |||||||
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------------------ Sub or form: Protacanthoceras arkelli verrucosum Wright & J. Kennedy, 1980 † - ID: 8028000415 | |||||||
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Please email your image to: Claudio Galli - last updated: 27/ago/2017