Class Gastropoda
Family Architectonicidae Gray, 1850
Genus Granosolarium Sacco, 1892
species Granosolarium millegranum (Lamarck, 1822)
Granosolarium millegranum (Lamarck,1822) (Mollusca – Gastropoda – Architectonicidae) is a common species, more frequent in littoral sediments. Pliocene.
Granosolarium millegranum (Lamarck,1822) (Mollusca – Gastropoda – Architectonicidae) è una specie piuttosto comune, più frequente in sedimenti littorali, generalmente argille. Pliocene.
Original description / Descrizione originale
Solarium millegranum
Testa orbiculato-convexa, ad perphaeriam compressa, angulato-carinata, scabra; striis sulcisque transversis granulosis; inferna facie convexa; umbilico patulo, crenato.
from page 6 of Lamarck J.-B., (1822). Histoire naturelle des animaux sans vertèbres … précédée d’une introduction offrant la détermination des caractères essentiels de l’animal, sa distinction du végétal et des autres corps naturels, enfin, l’exposition des principes fondamentaux de la zoologie. vol. VII.
Distribution
Miocene: Holland, Winterswijk – Miste formation (Langhian); Zborow (Romania), Vienna Basin, Stazzano, Sant’Agata (Piedmont), Montebaranzone, Montegggio, Vigoleno (Emilia Romagna); Reggio Calabria, Palermo (Tortonian). Tetti Borelli (Piedmont) (Messinian). Pliocene, Spain and Italy. (Chirli, 2013)
Bibliographic references and some more common synonyms
1814 Trochus canaliculatus Brocchi, p. 359
1822 Solarium millegranum Lamarck, p. 6.
2002 Architectonica (Granosolarium) millegranum – Bogi et al., p. 35, figs 21, 22.
2013 Granosolarium millegranum – Chirli, p. 12, pl. 4, figs 4-9.
References
Chirli C. (2013). Malacofauna Pliocenica Toscana. Vol. 9. Gastropoda fine. Scaphopoda. Carlo Chirli Ed., Tipografia Vanzi srl, Colle di Val di Val d’Elsa, pp. 164, pls 24.
Lamarck J.-B., (1822). Histoire naturelle des animaux sans vertèbres … précédée d’une introduction offrant la détermination des caractères essentiels de l’animal, sa distinction du végétal et des autres corps naturels, enfin, l’exposition des principes fondamentaux de la zoologie. vol. VII.
We thank our friend Massimo Cresti for the execution and use of the photos.
Ringraziamo per l’esecuzione e l’uso delle foto, l’amico Massimo Cresti.
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