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Valcouroceras
Taxonomy
Valcouroceras was named by Flower (1943). Its type is Valcouroceras bovinum.
It was assigned to Valcouroceratidae by Sweet (1958), Teichert et al. (1964) and Crick (1981); and to Oncoceratida by Flower (1952) and Sepkoski (2002).
It was assigned to Valcouroceratidae by Sweet (1958), Teichert et al. (1964) and Crick (1981); and to Oncoceratida by Flower (1952) and Sepkoski (2002).
Species
V. bovinum (type species), V. cyclops, V. elongatum, V. holtedahli, V. obesum, V. seelyi, V. tenuiseptum
Synonymy list
Year | Name and author |
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1943 | Valcouroceras Flower |
1952 | Valcouroceras Flower p. 53 |
1958 | Valcouroceras Sweet |
1964 | Valcouroceras Teichert et al. p. 291 |
1981 | Valcouroceras Crick p. 229 |
2002 | Valcouroceras Sepkoski |
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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. †Valcouroceras Flower 1943
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†Valcouroceras bovinum Flower 1943
†Valcouroceras cyclops Flower 1943
†Valcouroceras elongatum Flower 1952
†Valcouroceras holtedahli Sweet 1958
†Valcouroceras obesum Flower 1943
†Valcouroceras seelyi Ruedemann 1906
†Valcouroceras tenuiseptum Ruedemann 1906
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: base of the Caradoc to the top of the Blackriveran or 458.40000 to 449.60000 Ma
Collections (21 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Chazyan | USA (Vermont) | Cameroceras tenuiseptum, Oonoceras seelyi (42814) | |
Chazyan | USA (New York) | Cameroceras tenuiseptum (42810 171705 171707) Orthoceras tenuiseptum (172224 172240) V. elongatum (89105) V. obesum, V. cyclops (171817) | |
Marmor - Ashbyan | USA (New York) | Cameroceras tenuiseptum (89032) | |
Kunda - Uhaku | Norway (Hadeland) | V. holtedahli (164011) | |
Caradoc | USA (Georgia) | V. sp. (32547 32552 32553 32554 32557 32558) | |
Ashbyan | USA (New York) | V. sp., V. bovinum (89040) | |
Blackriveran | USA (Illinois, Iowa, Wisconsin) | V. sp. (23756 23757 23758) | |
Blackriveran - Rocklandian | USA (Minnesota) | V. sp. (23691) |