| Source Data | |
|---|
| Rank | species |
|---|
| Taxonomy (GBIF) | Life : Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floyda concentrica |
|---|
| Taxonomy (PBDB) | Life : Animalia : Mollusca : Gastropoda : Euomphalina : Palaeotrochidae : Floyda : Floyda concentrica |
|---|
| Taxonomic Status (GBIF) | accepted |
|---|
Classification
(PBDB,GBIF) | |
|---|
| Generic Name | Floyda |
|---|
| Scientific Name | Floyda concentrica (Webster, 1905) |
|---|
| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Floyda concentrica | species | belongs to Floyda | stated without evidence | Webster, 1905 | | Floyda concentrica | species | subjective synonym of Floyda gigantea | stated with evidence | Day, 1987 | | Floyda concentrica | species | belongs to Floyda | stated with evidence | Wagner, 2017 |
|
|---|
| Status (PBDB) | extinct |
|---|
| Taxon Size (PBDB) | 1 |
|---|
| First Recorded Appearance | 383 - 372 Ma
Late/Upper Devonian |
|---|
| Last Recorded Appearance | 365 - 361 Ma
Late/Upper Devonian |
|---|
| Motility | stationary (based on Euomphalina) |
|---|
| Vision | limited (based on Gastropoda) |
|---|
| Diet | suspension feeder (based on Euomphalina) |
|---|
| Taphonomy | aragonite (based on Gastropoda) |
|---|
| Primary Reference (PBDB) | C. L. Webster. 1905. Description of a new gastropod genus (Westerna) from the Hackberry group of Iowa. Iowa Naturalist 1:54-55 |
|---|
| Name | Source | Taxon Rank | Taxonomy |
|---|
| Naticopsis gigantea (Hall & Whitfield, 1873) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Naticopsis gigantea |
| Naticopsis gigantea depressa (Webster, 1906) | GBIF | subspecies | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Naticopsis gigantea depressa |
| Naticopsis magnifica (Webster, 1905) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Naticopsis magnifica |
| Floyda concentrica multisinuata (Fenton, 1918) | GBIF | subspecies | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floyda concentrica multisinuata |
| Floydia gigantea (Hall & Whitfield, 1873) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floydia gigantea |
| Floydia magnifica (Webster, 1905) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floydia magnifica |
| Platyceras gigantea (Hall & Whitfield, 1873) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Platyceras gigantea |
| Floyda gigantea (Hall & Whitfield, 1873) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floyda gigantea |
| Floyda depressa (Webster, 1906) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floyda depressa |
| Floyda multisinuata (Fenton, 1918) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floyda multisinuata |
| Floydia concentrica (Webster, 1905) | GBIF | species | Animalia : Mollusca : Gastropoda : Palaeotrochidae : Floyda : Floydia concentrica |
| Webster C. L. (1905) Description of a new gastropod genus (Westerna) from the Hackberry group of Iowa, Iowa Naturalist 1, 54-55 |
| Hall J., Whitfield R. P. Descriptions of new species of fossils from the Devonian rocks of Iowa; with a preliminary note on the formations, Geological Survey of Iowa, 222-243 |
| Webster C. L. (1905) On some species of fossils from the Hackberry Group of Iowa, Iowa Naturalist 1 3, 58-59 |
| Webster C. L. (1906) Description of new species of gastropods from the lower and middle beds of the Hackberry Group, Iowa Naturalist 2, 1-4 |
| Kindle E. M. (1909) The Devonian fauna of the Ouray Limestone, United States Geological Survey Bulletin 391, 1-60 |
| Fenton C. L., Fenton M. A. (1924) The stratigraphy and fauna of the Hackberry stage of the Upper Devonian, Contributions from the Museum of Geology, the University of Michigan 1 1, 1-260 |
| Bass N. W., Northrop S. A. (1963) Geology of Glenwood Springs Quadrangle and Vicinity Northwestern Colorado, U. S. Geological Survey Bulletin 1142-J, J1-J74 |
| Day J. (1987) Revision, distribution, and extinction of the Middle and early Late Devonian archaeogastropod genera Floyda and Turbonopsis, Journal of Paleontology 61 5, 960-973 |
| Wagner P. J. (2017) Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database |
Floyda concentrica ✝
