| Source Data | |
|---|
| Rank | species |
|---|
| Taxonomy (GBIF) | Life : Animalia : Echinodermata : Echinoidea : Spatangoida : Maretiidae : Maretia : Hemipatagus argutus |
|---|
| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Echinoidea : Spatangoida : Loveniidae : Hemipatagus : Hemipatagus argutus |
|---|
| Taxonomic Status (GBIF) | accepted |
|---|
Classification
(PBDB,GBIF) | |
|---|
| Generic Name | Hemipatagus |
|---|
| Scientific Name | Hemipatagus argutus (Clark, 1915) |
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| Opinions (PBDB) | | Name | Rank | Opinion | Evidence | Author |
|---|
| Hemipatagus argutus | species | belongs to Hemipatagus | stated with evidence | Clark and Twitchell, 1915 | | Hemipatagus argutus | species | belongs to Hemipatagus | stated without evidence | Cooke, 1942 | | Hemipatagus argutus | species | belongs to Maretia | stated without evidence | Cooke, 1959 | | Hemipatagus argutus | species | belongs to Hemipatagus | stated without evidence | Kroh, 2007 |
|
|---|
| Status (PBDB) | extinct |
|---|
| Taxon Size (PBDB) | 1 |
|---|
| First Recorded Appearance | 47.8 - 41.3 Ma
Eocene |
|---|
| Last Recorded Appearance | 37.2 - 33.9 Ma
Paleogene |
|---|
| Environment | marine (based on Spatangoida) |
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| Motility | slow-moving (based on Spatangoida) |
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| Vision | limited (based on Echinoidea) |
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| Diet | deposit feeder, detritivore (based on Spatangoida) |
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| Reproduction | dispersal=water,planktonic (based on Spatangoida) |
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| Ontogeny | accretion,addition of parts (based on Echinodermata) |
|---|
| Taphonomy | high Mg calcite (based on Spatangoida) |
|---|
| Primary Reference (PBDB) | W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341 |
|---|
| Clark W. B., Twitchell M. W. (1915) The Mesozoic and Cenozoic Echinodermata of the United States, United States Geological Survey Bulletin 54, 1-341 |
| Cooke C. W. (1942) Cenozoic irregular echinoids of the Eastern United States, Journal of Paleontology 16, 1-62 |
| Cooke C. W. (1959) Cenozoic echinoids of eastern United States, United States Geological Survey Professional Papers 321, 1-106 |
| Kroh A. (2007) Hemipatagus, a misinterpreted loveniid (Echinodermata: Echinoidea), Journal of Systematic Palaeontology 5, 163-192 doi:10.1017/S1477201906002021 |
Hemipatagus argutus ✝
