Here is an assortment of figures of various specimens, all belonging to a species pertaining to tomorrow's Taxon of the Week (attribution to follow):
In the lower figure the whorl height is 3.2 cm. Because the general kind of organism involved is fairly obvious, I'm going to ask for a reasonable amount of specificity to count as a successful ID. But to give you a hand with being specific, I'll at least tell you that the age of the specimens is lower Upper Bathonian (during the Jurassic).
Update: Identity now available here. Upper figure from Rawson (1982); lower figure from Poulton (1987).
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The large whorl height makes me think nautiloid rather than ammonoid?
ReplyDeleteThe suture line is fractal so this is an ammonite for sure.
ReplyDeleteI'd bet something like Cadomites sp.
http://en.wikipedia.org/wiki/Cadomites
But all of these look about the same:
http://paulwinkler-schmuck.de/pages/fossilien/sengenthal/ammoniten.php
Egyptian Goat-headed God, Ammon-Ra?
ReplyDeleteI am only posting to find out what time it is tomorrow in Australia, just ignore me.
Not bad, Steve; you were in the right superfamily (and all ammonites look the same to me, too, so who am I to judge?)
ReplyDeletePat: It's tea-time. It's always tea-time (and never time for washing up).