Brachipod Disparity Data
Compiled by Chuck Ciampaglio
For public use by permission - email
Chuck at cnc2@duke.edu
You can download an MS Excel (.xls) version of this data set here
| KEY TO THE DATA SET CODING | ||||
| Time Codes: | ||||
| Epoch | Code | Epoch | Code | |
| Lower Ordovician | 1 | Lower Permian | 12 | |
| Middle Ordovician | 2 | Upper Permian | 13 | |
| Upper Ordovician | 3 | Middle Triassic | 14 | |
| Lower Silurian | 4 | Upper Triassic | 15 | |
| Middle Silurian | 5 | Lower Jurassic | 16 | |
| Upper Silurian | 6 | Middle Jurassic | 17 | |
| Lower Devonian | 7 | Upper Jurassic | 18 | |
| Middle Devonian | 8 | Lower Cretaceous | 19 | |
| Upper Devonian | 9 | Upper Cretaceous | 20 | |
| Lower Carboniferous | 10 | Paleogene | 21 | |
| Upper Carboniferous | 11 | Neogene | 22 | |
| Character Numbers: | |
| Character # | Character |
| 1 | Valve Outline |
| 2 | Longitudinal Profile |
| 3 | Transverse Profile |
| 4 | Radial Ornamentation |
| 5 | Concentric Ornamentation |
| 6 | Brachial/Pedicle valve interarea |
| 7 | Length |
| 8 | Width |
| 9 | Thickness |
| 10 | Hinge Form |