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
42
TRACHYCERATIDAE
Taxon Tree:
CEPHALOPODA [Class]
AMMONOIDEA [Subclass]
CERATITIDA [Order]
TRACHYCERATOIDEA [SuperFamily]
TRACHYCERATIDAE [Family]
[Genus]
[Species]
Genus
: Arctoarpadites (Tozer, 1961 â )
Genus species
:
Arctoarpadites costatus
Author
:
(Tozer, 1961 †)
Locality
:
Canada, Axel Heiberg Island
Size
:
no data
ID
:
6598000029
Genus
: Arctosirenites Tozer, 1961 â
Genus species
:
Arctosirenites canadensis
Author
:
Tozer, 1961 †
Locality
:
Russia, Yana-Okhotsk basin
Size
:
no data
ID
:
6598000075
Genus species
:
Arctosirenites columbianus
Author
:
Tozer, 1994 †
Locality
:
Canada, British Columbia, Northern Rockies
Size
:
no data
ID
:
6598000075
Genus species
:
Arctosirenites southeri
Author
:
Tozer, 1994 †
Locality
:
Canada, Axel Heiberg Island
Size
:
no data
ID
:
6598000075
Genus species
:
Arctosirenites sverdrupi
Author
:
(E.A.L. Kittl, 1907 †)
Locality
:
Size
:
no data
ID
:
6598000075
No geographical data
No Geographical Data