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Cephalaspididae
Taxonomy
Cephalaspididae was named by Agassiz (1844). Its type is Cephalaspis.
It was assigned to Cephalaspidoidei by van der Laan (2019).
It was assigned to Cephalaspidoidei by van der Laan (2019).
Subtaxa
Cephalaspis (type genus), Eukeraspis
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Cephalaspididae Agassiz |
| 1861 | Cephalaspidae Huxley p. 37 |
| 1902 | Cephalaspidae Hay p. 340 |
| 1933 | Cephalaspidae Bryant p. 312 |
| 1966 | Cephalaspidae Gardiner p. 13 |
| 1971 | Cephalaspidae Moy-Thomas and Mile |
| 1985 | Cephalaspidae Janvier |
| 2019 | Cephalaspididae van der Laan p. 22 |
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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.
Fm. †Cephalaspididae Agassiz 1844
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G. †Cephalaspis Agassiz 1835
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Subg. †Cephalaspis (Cwmaspis) White and Toombs 1983
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†Cephalaspis (Cwmaspis) billcrofti White and Toombs 1983
†Cephalaspis acadica Robertson 1936
†Cephalaspis agassizi Stensio 1932
†Cephalaspis campbelltonensis Whiteaves 1881
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Invalid names: Cephalaspis whiteavesi Traquair 1890 [synonym]
†Cephalaspis canadensis Robertson 1936
†Cephalaspis dawsoni Lankester 1870
†Cephalaspis gabrielsei Dineley and Loeffler 1976
†Cephalaspis jexi Traquair 1893
†Cephalaspis laticeps Traquair 1890
†Cephalaspis lewisii Agassiz 1835
†Cephalaspis lightbodii Lankester 1870
†Cephalaspis lloydii Agassiz 1835
†Cephalaspis lyelli Agassiz 1835
†Cephalaspis murchisoni Egerton 1857
†Cephalaspis novaescotiae Denison 1955
†Cephalaspis oeselensis Robertson 1939
†Cephalaspis pagei Lankester 1870
†Cephalaspis podolica Balabai 1962
†Cephalaspis powriei Lankester 1870
†Cephalaspis rostratus Agassiz 1835
†Cephalaspis scotica White 1963
†Cephalaspis westolli Russell 1954
†Cephalaspis whitei Stensio 1932
†Cephalaspis wyomingensis Bryant 1933
Invalid names: Cephalaspidae Huxley 1861 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Age range: base of the Pridoli to the top of the Early/Lower Emsian or 422.70000 to 399.50000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pridoli | United Kingdom | Cephalaspis sp. (239127) | |
| Pridoli | Lithuania | Cephalaspis sp. (207344) | |
| Early/Lower Lochkovian | United Kingdom | Cephalaspidae indet. (238794 238795) Cephalaspis sp. (238749 238750) Cwmaspis billcrofti (238751) | |
| Lochkovian | USA (Wyoming) | Cephalaspis sp. (153534) | |
| Lochkovian | United Kingdom (England) | Cephalaspis sp. (26918) | |
| Lochkovian | United Kingdom | Cephalaspis agassizi (238037) | |
| Lochkovian | United Kingdom (Scotland) | Cephalaspis sp. (26908 155918) | |
| Lochkovian | Ukraine | Cephalaspis sp. (26978) Zenaspis podolica (239221 239251) | |
| Lochkovian | Norway | Cephalaspis sp. (237814 237815 237816 237817 237818 237822 237823 237826) | |
| Lochkovian | United Kingdom (Herefordshire) | Cephalaspis sp. (201736) | |
| Lochkovian | Canada (Nova Scotia) | Cephalaspis sp. (14201) Cephalaspis sp., Cephalaspis novaescotiae (161378) | |
| Lochkovian | Canada (Nunavut) | Cephalaspis sp. (90322 238034 238128) | |
| Lochkovian - Early/Lower Emsian | Canada (Northwest Territories) | Cephalaspis sp., Cephalaspis gabrielsei (237829) | |
| Early/Lower Devonian | United Kingdom | Cephalaspis lyelli (238045 238872) | |
| Pragian | Ukraine | Zenaspis podolica (239247) | |
| Pragian | United Kingdom | Cephalaspis scotica (238871) Cephalaspis whitei, Cephalaspis agassizi (238870) | |
| Emsian | Canada (New Brunswick) | Cephalaspis canadensis, Cephalaspis jexi (161373) Cephalaspis sp. (161372) | |
| Emsian | USA (Wyoming) | Cephalaspis wyomingense (26176) | |
| Emsian | Canada (Quebec) | Cephalaspis dawsoni (161376) Cephalaspis westolli (161379) |