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Mataxa
Taxonomy
Mataxa was named by Wade (1916) [Sepkoski's age data: K Camp-u K Maes Sepkoski's reference number: 4]. It is not extant.
It was assigned to Neogastropoda by Sepkoski (2002); and to Cancellariidae by Sohl (1964), Sohl (1964) and Squires and Saul (2003).
It was assigned to Neogastropoda by Sepkoski (2002); and to Cancellariidae by Sohl (1964), Sohl (1964) and Squires and Saul (2003).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Mataxa Wade |
| 1964 | Mataxa Sohl p. 267 |
| 2002 | Mataxa Sepkoski |
| 2003 | Mataxa Squires and Saul p. 59 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Mataxa Wade 1916
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†Mataxa arida Squires and Saul 2003
†Mataxa elegans Wade 1916
†Mataxa leioderma Sohl 1964
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Squires and L. R. Saul 2003 | Shell small to medium, bucciniform, spire moderately elevated, ornamentation absent or consisting of only spiral sculpture, aperture lenticular, siphonal canal short, inclined to left and twisted, columella with two to four folds of variable strength. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Campanian - Middle Campanian | USA (Mississippi) | M. leioderma (6660) | |
| Late/Upper Campanian | USA (Texas) | M. valida (7481) M. valida multilirae (7568) | |
| Late/Upper Campanian | USA (Tennessee) | M. elegans (88357) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | USA (Tennessee) | M. elegans (7515) | |
| Maastrichtian | USA (California) | M. arida (185191) | |
| Maastrichtian | USA (Texas) | M. subteres, M. valida (7480) M. valida (7493) | |
| Maastrichtian | USA (Tennessee) | M. elegans (205445) | |
| Early/Lower Maastrichtian | USA (Mississippi) | M. elegans (7476 7477 7590 7592) | |
| Late/Upper Maastrichtian | USA (Alabama) | M. sp. (4201) |