| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Septifer mayai was named by Griffin et al. (2008). Its type specimen is GHUNLPam 808, a shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
S. annectans, S. bryanae, S. cottae, S. denticulatus, S. dichotomous, S. euglyphus, S. eurydices, S. eurydices, S. gaurdakensis, S. gryphoides, S. jordani, S. mediocris, S. oblitus, S. probolus, S. saccoi, S. scalaris, S. signatus, S. sublineatus, S. superbus, S. ushibukensis, S. variabilis, S. scalaris, S. subfenestratus
Synonymy list
| Year | Name and author |
|---|---|
| 2008 | Septifer mayai Griffin et al. p. 141 figs. 3.1-3 |
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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.
†Septifer mayai Griffin et al. 2008
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Griffin et al. 2008 | Average-sized Septifer, with very strongpostumbonal keel and 35 to 45 simple, flat, quadrate-sectioned, smooth ribs separated by deeply incisedinterspaces showing scaly ornamentation producedby commarginal growth lines. |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Sanchez Roig 1926, Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Maastrichtian to the top of the Danian or 72.20000 to 61.66000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Argentina (Mendoza) | Septifer mayai (106075) | |
| Maastrichtian | Argentina (La Pampa) | Septifer mayai (106089 106091 106093 106094) | |
| Maastrichtian | Argentina (Mendoza) | Septifer mayai (105861 105862 106076 106077 106080 106081 106086 106087) | |
| Danian | Argentina (Mendoza) | Septifer mayai (105864) |