What is the star system?
The star system calculates the number of pieces that were handled by Conchology, Inc. in the last 21 years:
| 0 – 5 pieces | 6 stars |
|
| 6 – 10 pieces | 5 stars |
|
| 11 - 25 pieces | 4 stars | |
| 26 - 75 pieces | 3 stars | |
| 76 - 150 pieces | 2 stars | |
| > 150 pieces | 1 star | |
We want to point out that the star system is only very reliable for PHILIPPINE shells only, as we handle very few foreign shells in general. As time goes, the system will become more and more performant.
WMSDB - Worldwide Mollusc Species DataBase
PROTEOCERATIDAE
Genus
: Gorbyoceras (E. Strand, 1934 †)
Gorbyoceras alternestriatum
(E. Strand, 1934 â )
Gorbyoceras clathroannulatum
(F.A. Roemer, 1861 â )
Gorbyoceras gorbyi
(Miller, 1894 â )
Gorbyoceras gracile
(Portlock, 1843 â )
Gorbyoceras hammelli
(Foerste, 1910 â )
Gorbyoceras tetreauense
Wilson, 1961 â
Gorbyoceras textumaraneum
(F.A. Roemer, 1861 â )
Genus
: Isorthoceras (Miller & M.J. Faber, 1894 †)
Isorthoceras albersi
(Miller & M.J. Faber, 1894 â )
Isorthoceras angelini
Kröger, 2013 â
Isorthoceras curvilineatum
Kröger, 2013 â
Isorthoceras dalecarlense
Kröger & al., 2011 â
Isorthoceras elongatocinctum
(Portlock, 1843 â )
Isorthoceras heroyense
(E. Strand, 1934 â )
Isorthoceras junceum
(I. Balashov, 1956 â )
Isorthoceras rogersensis
(Foerste, 1914 â )
Isorthoceras sociale
(J.W. Hall, 1877 â )
Isorthoceras suave
(Angelin & Lindström, 1880 â )
Isorthoceras subcostatum
(Portlock, 1843 â )
Isorthoceras wahlenbergi
Niko, 2007 â
Genus
: Mesnaquaceras Flower, 1955 †
Mesnaquaceras curviseptatum
Flower, 1955 â