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Erichalcis
Taxonomy
Erichalcis was named by Forey (1975). Its type is Erichalcis arcta.
It was assigned to Clupeomorpha by Forey (1975); to Clupeomorpha by Lauder and Liem (1983); to Euteleostei by Hermus et al. (2004); and to Euteleosteomorpha by van der Laan (2019).
It was assigned to Clupeomorpha by Forey (1975); to Clupeomorpha by Lauder and Liem (1983); to Euteleostei by Hermus et al. (2004); and to Euteleosteomorpha by van der Laan (2019).
Species
E. arcta (type species), E. conspicua
Entered
by M. Clapham on 2021-07-14; modified by M. Clapham on 2021-09-02
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Erichalcis Forey p. 152 |
| 1983 | Erichalcis Lauder and Liem p. 131 fig. 26 |
| 2004 | Erichalcis Hermus et al. p. 452 |
| 2019 | Erichalcis van der Laan p. 68 |
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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. †Erichalcis Forey 1975
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†Erichalcis arcta Forey 1975
†Erichalcis conspicua Hermus et al. 2004
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. V. Lauder and K. F. Liem 1983 | Shown in cladogram, has the following characters:
1, autogenous hypural number one; 2, hypural two fused with ural centrum one (these two characters are also found in several primitive euteleosteans and not in Erichalcis (Forey, 1975); 3, fusion of the median and lateral extrascapulars with the supraoccipital and parietal bones (indicated in part by the presence of a sensory canal in the supraoccip1tal, Patterson, 1970); 4, abdominal scutes present; |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, p = phylum | |||||
| References: Kiessling 2004, Bambach et al. 2007, Carroll 1988, Hendy et al. 2009 | |||||
Age range: Middle Albian or 110.10000 to 106.30000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Albian | Canada (Nunavut) | E. conspicua (117995) | |
| Middle Albian | Canada (Northwest Territories) | E. arcta (94490) |