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Spirifera (Martinia) maia
Taxonomy
Athyris maia was named by Billings (1860).
It was recombined as Spirifera maia by Hall (1867); it was recombined as Spirifera (Martinia) maia by Walcott (1884).
It was recombined as Spirifera maia by Hall (1867); it was recombined as Spirifera (Martinia) maia by Walcott (1884).
Sister species lacking formal opinion data
Martinia acutomarginalis, Martinia changchiakouensis, Martinia distefanoi, Martinia galataea, Martinia inflata, Martinia kunlunia, Martinia remota, Martinia semiplana, Martinia semiplana, Martinia simensis, Martinia subradiata, Martinia thetis, Martinia uralica, Martinia simensis, Spirifer contractus, Spirifer lineata, S. attenuata, S. bisulcata, S. calcarata, S. walcotti, S. walcottii, S. vultur, S. crebristria
Synonymy list
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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.
†Spirifera (Martinia) maia Billings 1860
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: Middle Devonian or 393.47000 to 382.31000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Devonian | USA (Alaska) | Martinia maia (111862) |