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Exallaspis
Taxonomy
Exallaspis was named by Ramsköld and Chatterton (1991). Its type is Leonaspis coronata bufo.
It was assigned to Acidaspidinae by Ramsköld and Chatterton (1991); and to Odontopleuridae by Jell and Adrain (2002).
It was assigned to Acidaspidinae by Ramsköld and Chatterton (1991); and to Odontopleuridae by Jell and Adrain (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1991 | Exallaspis Ramsköld and Chatterton p. 362 |
| 2002 | Exallaspis Jell and Adrain p. 375 |
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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. †Exallaspis Ramsköld and Chatterton 1991
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†Exallaspis acarescola Howells 1982
†Exallaspis bruntoni Chatterton and Ludvigsen 2004
†Exallaspis bufo Ramskold 1984
†Exallaspis coronata Salter 1853
†Exallaspis deflexa Lake 1896
†Exallaspis illinoiensis Weller 1907
†Exallaspis lothiana Lamont 1948
†Exallaspis maccrackeni Chatterton and Ludvigsen 2004
†Exallaspis marklini Angelin 1854
†Exallaspis muldensis Bruton 1967
†Exallaspis quadrimucronatus Murchison 1839
†Exallaspis varbolensis Bruton 1967
†Leonaspis coronata bufo Ramskold 1984
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: base of the Hirnantian to the top of the Elton or 445.20000 to 421.30000 Ma
Collections (49 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hirnantian | United Kingdom (Wales) | Leonaspis marklini (8392 8405) | |
| Juuru | Estonia (Rapla) | Leonaspis varbolensis (175516) | |
| Rhuddanian | Latvia | Leonaspis varbolensis (193027) | |
| Rhuddanian | Canada (Quebec) | E. sp. (184371 184378 184379 184380 184388 184397 184401 184403 184411 184412 185536) | |
| Rhuddanian | United Kingdom (Wales) | E. varbolensis (50281) | |
| Rhuddanian | United Kingdom (Scotland) | Leonaspis varbolensis (188533) | |
| Llandovery | United Kingdom | Leonaspis varbolensis (193024) | |
| Llandovery | USA (Illinois) | E. illinoisensis (2860) | |
| Llandovery | Latvia | Leonaspis varbolensis (193023) | |
| Aeronian | United Kingdom (Scotland) | Leonaspis acarescola (188538) Leonaspis varbolensis (188535) | |
| Aeronian | Canada (Quebec) | E. maccrackeni (184996) E. sp. (186082) | |
| Aeronian | United Kingdom (Wales) | E. whittardi (50156 50160) | |
| Aeronian | Norway | Leonaspis varbolensis (14303) | |
| Aeronian - Telychian | Canada (Quebec) | E. maccrackeni (186065 186068) E. sp. (184408 184409 186070 186088) | |
| Aeronian - Telychian | United Kingdom (Shropshire) | E. whittardi (49601) | |
| Telychian | United Kingdom (Scotland) | Leonaspis lothiana (188546) | |
| Telychian | United Kingdom (Shropshire) | E. whittardi (49580) | |
| Telychian | Canada (Quebec) | E. bruntoni (186086) E. maccrackeni (186089) E. sp. (186087) | |
| Sheinwoodian - Homerian | Sweden | Leonaspis marklini (192273) | |
| Wenlock | Sweden (Gotland) | Leonaspis marklini (192330) | |
| Wenlock | United Kingdom (England) | E. coronata (79893) | |
| Homerian | Sweden (Gotland) | Leonaspis marklini (193022) Leonaspis marklini, Leonaspis muldensis (192362) | |
| Homerian - Gorstian | Mexico (Tamaulipas) | E. sp. (5121 5123) | |
| Gleedonian | Sweden (Gotland) | Leonaspis coronata (228990) | |
| Elton | United Kingdom (Wales) | Leonaspis coronata (75051 75052) |