Each specimen ammonite has full unbroken ornamentation of the stumpy tubercles, the whole form is good to each, some with fine ammonitic suture patterning. All collector grade specimens. Enlarge the illustrations above to view the attributes for each ammonoid. When ordering an ammonite, use the identifying reference number of each image to nominate your desired purchase option. If you need help contact us via our contact page-in the black footer banner below.
The shell ornamentation is dominated by short stumps, these are umbilical tubercles and were part of the shells defences. Ribs are prominent in juveniles stages but tend to be less prominent in the mature cephalopod shell, when fully developed, one may reflect the need of defence became less important, becoming a fast-moving nektonic carnivore in adulthood, with fewer predators when mature in size.
However, there is a debate on whether what appear to be spine placements were for defence or sexual morphism, distinguishing the males and females. The debates will continue as discoveries may become apparent, particularly from this extensive fossil source in central, south-eastern Morocco.
The suture patterning is a simple ammonitic type. These ammonites are from the Early Turonian Stage (Upper Cretaceous) found North of Goulmima, Morocco. Primary reference: W. J. Kennedy, A. S. Gale, D. J. Ward and C. J. Underwood. 2008. Early Turonian ammonites from Goulmima, southern Morocco. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Sciences de la Terre 78:149-177.