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Eoacanthacaris
Taxonomy
Eoacanthacaris was named by Beschin et al. (2016). Its type is Eoacanthacaris tethysianus.
It was assigned to Nephropidae by Beschin et al. (2016); and to Brachyura by Schweitzer and Feldmann (2023).
It was assigned to Nephropidae by Beschin et al. (2016); and to Brachyura by Schweitzer and Feldmann (2023).
Species
E. tethysianus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Eoacanthacaris Beschin et al. p. 19 |
| 2023 | Eoacanthacaris Schweitzer and Feldmann p. 2 |
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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.
A full classification of the subtaxa is too large to display here
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Fearon and Clapham 2023, Turnsek 1997, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Asselian to the top of the Holocene or 298.90000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 295.5 Ma
Minimum age of oldest fossil (stem group age): 295.5 Ma
Collections (2014 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian | Czech Republic (Krkonose) | Remia pinnatifida (232614) | |
| Lacian - Sevatian | USA (New Mexico) | Rioarribia schrami (62311) | |
| Early/Lower Oxfordian | France | Portunus jurensis (226086) | |
| Tithonian | Austria | Doerflesia ornata, Tenuihomola longa, Tenuihomola ortwini, Tithonohomola tuberculata (89462) | |
| Tithonian | Czech Republic | Oxythyreus armatus (189840) Prosopon longum (170329) | |
| Late/Upper Tithonian | Czech Republic | Doerflesia ornata, Tenuihomola longa, Tithonohomola tuberculata (89472) | |
| Neocomian | USA (Texas) | Homolopsis pikeae (235368) | |
| Cretaceous | United Kingdom (Wilmington) | Calappa cranium (235458) | |
| Hauterivian | France (Marne) | Etyus martini, Notopocorystes carteri, Notopocorystes stokesi (233997) | |
| Hauterivian | France (Yonne) | Homolopsis tuberculata, Paranecrocarcinus hexagonalis (139705) Xanthopsis spp. (139205) | |
| Late/Upper Barremian - Early/Lower Aptian | Brazil (Pernambuco) | Araripecarcinus ferreirai (235323) | |
| Barremian | Japan | Xanthosia sakoi (226205 235331) | |
| Barremian - Aptian | Brazil (Propriá) | Protohymenosoma gondwanicum, Protohymenosoma hexagonale, Eureotropis elongata (235328) | |
| Barremian - Albian | France (Doubs) | Notopocorystes stokesi (233998) | |
| Aptian | United Kingdom (England) | Enodicarcinus atherfieldensis (86974) Mithracites vectensis (1746) Vectis echinorum (171804) Vectis wrighti (1747) | |
| Aptian | Switzerland (Sainte-Croix) | Etyus martini, Homolopsis edwardsi, Notopocorystes broderipi, Notopocorystes carteri, Notopocorystes stokesi (139704) | |
| Aptian - Albian | Brazil (Pernambuco) | Chronocancer camilosantanai (232215) | |
| Late/Upper Aptian | USA (Texas) | Caloxanthus americanus, Prehepatus pawpawensis (141171) | |
| Late/Upper Aptian | Colombia (Santander) | Bellcarcinus aptiensis (228510) Colombicarcinus laevis (228517) Mithracites takedai (228519) | |
| Late/Upper Aptian | Spain | Paranecrocarcinus xivertensis, Necrocarcinus mariae, Joeranina gaspari, Podotremata indet. (236856) | |