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Eucalliax
Taxonomy
Eucalliax was named by Manning and Felder (1991). It is extant. Its type is Callianassa quadracuta. It is the type genus of Eucalliacinae.
It was assigned to Eucalliinae by Manning and Felder (1991), Karasawa (1992), Karasawa (1993), Beschin et al. (2009); to Callianassinae by Beschin et al. (2012); to Callianassidae by Schweitzer et al. (2010), Beschin et al. (2018); and to Eucalliacidae by Schweitzer et al. (2023).
It was assigned to Eucalliinae by Manning and Felder (1991), Karasawa (1992), Karasawa (1993), Beschin et al. (2009); to Callianassinae by Beschin et al. (2012); to Callianassidae by Schweitzer et al. (2010), Beschin et al. (2018); and to Eucalliacidae by Schweitzer et al. (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Eucalliax Manning and Felder p. 781 |
| 1992 | Eucalliax Karasawa p. 1248 |
| 1993 | Eucalliax Karasawa p. 35 |
| 2009 | Eucalliax Beschin et al. p. 62 |
| 2010 | Eucalliax Schweitzer et al. p. 38 |
| 2012 | Eucalliax Beschin et al. p. 15 |
| 2018 | Eucalliax Beschin et al. p. 138 |
| 2023 | Eucalliax Schweitzer et al. p. 16 |
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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.
G. Eucalliax Manning and Felder 1991
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Eucalliax aequimanus Baker 1907
†Eucalliax burckhardti Bohm 1911
†Eucalliax miyazakiensis Karasawa 1993
†Eucalliax multisetae Beschin et al. 2018
†Eucalliax rugata Beschin et al. 2018
†Eucalliax vicetina Beschin et al. 2002
†Eucalliax yatsuoensis Karasawa 1993
†Eucalliax yoshihiroi Karasawa 1992
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: infrao = infraorder, c = class | |||||
| References: Valdez and Clapham 2023, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: base of the Maastrichtian to the top of the Late/Upper Pliocene or 72.20000 to 2.58000 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Minimum age of oldest fossil (stem group age): 66.0 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Maastrichtian | Mexico (Chiapas) | E. burckhardti (232151) | |
| Maastrichtian | Argentina (La Pampa) | Callianassa burckhardti (5169) | |
| Maastrichtian | Argentina (Neuquén) | Callianassa burckhardti (66649) | |
| Maastrichtian | Argentina (Mendoza) | Callianassa burckhardti (5177 105859 106079 106080 106083 236020) | |
| Danian | Argentina (Mendoza) | Callianassa burckhardti (236248 236249) | |
| Danian | Argentina (La Pampa) | Callianassa burckhardti (5160) | |
| Ypresian | Italy | E. sp. (207595) | |
| Lutetian | Italy (Vicenza) | E. vicetina (145128) | |
| Lutetian | Japan (Fukuoka) | E. yoshihiroi (168601) | |
| Lutetian | Italy | E. vicetina (207553) | |
| Priabonian | Italy | E. multisetae, E. rugata (207550) | |
| Middle Miocene | Japan (Toyama) | Callianassa yatsuoensis (202475) | |
| Sarmatian | Slovakia | E. pseudorakosensis (145937) | |
| Early/Lower Pliocene - Late/Upper Pliocene | Japan (Miyazaki) | E. miyazakiensis (202447) | |
| Late/Upper Pliocene | Japan (Shizuoka) | E. miyazakiensis (202457) | |
| Late/Upper Pliocene | Japan (Miyazaki) | E. miyazakiensis (127698 127699) |