Crucilobiceras
sp. Buckman,1920
Black Ven
Marls, Stonebarrow, Charmouth, Dorset Coast.
Family EODEROCERATIDAE Spath 1929
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Crucilobiceras
sp. Buckman,1920
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Black Ven
Marls, Stonebarrow, Charmouth, Dorset Coast.
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Family EODEROCERATIDAE Spath 1929
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| A sub zone ammonite of the Echioceras raicostatum zone, Upper Sinemurian. | |
| Ribbing persistant and persistantly either bituberculate or with only one outer row of tubercules. whorls becoming compressed. May be preserved with fine spines. Often in pyrite. Size 2cm across. | |
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