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Walliserodus
Taxonomy
Walliserodus was named by Serpagli (1967) [Sepkoski's age data: O Aren-l S Prid Sepkoski's reference number: 800]. Its type is Acodus curvatus.
It was assigned to Cornuodontidae by Stouge (1984); to Conodontophorida by Sepkoski (2002); and to Belodellidae by Sweet (1988), Pyle and Barnes (2002) and Waid and Cramer (2017).
It was assigned to Cornuodontidae by Stouge (1984); to Conodontophorida by Sepkoski (2002); and to Belodellidae by Sweet (1988), Pyle and Barnes (2002) and Waid and Cramer (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Walliserodus Serpagli |
| 1984 | Walliserodus Stouge p. 59 |
| 1988 | Walliserodus Sweet p. 185 |
| 2002 | Walliserodus Pyle and Barnes p. 58 |
| 2002 | Walliserodus Sepkoski |
| 2017 | Walliserodus Waid and Cramer p. 21 |
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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. †Walliserodus Serpagli 1967
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†Walliserodus amplissimus Serpagli 1967
†Walliserodus bicostatus Branson and Mehl 1933
†Walliserodus curvatus Branson and Branson 1947
†Walliserodus rallus Nowlan et al. 1988
†Walliserodus sancticlairi Cooper 1976
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. B. T. Waid and B. D. Cramer 2017 | Apparatus contains five simple-cone element morphologies as reconstructed by Zhang and Barnes (2002). Most elements costate and contain a very wide basal cavity that extends to the cusp. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Aberhan 1992 | |||||
Collections (631 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Ordovician | Svalbard and Jan Mayen | W. curvatus (186654) W. sp. (186596) | |
| Dawan | China (JiangSu) | W. sp. (7923) | |
| Arenig | Norway (Spitsbergen) | W. sp. (141549) | |
| Arenig | China (JiangSu) | W. sp. (7924) | |
| Arenig | China (HeBei) | W. sp. (7963) | |
| Fennian | Canada (New Brunswick) | W. sp. (185953) | |
| Sandbian | Russian Federation | W. curvatus (142449) | |
| Late/Upper Ordovician | Canada (Northwest Territories) | W. amplissimus (180205 180206 180213 180220 180240) W. curvatus (180245) W. rallus (180244) W. rallus, W. amplissimus (180217 180221) | |
| Late/Upper Ordovician | Austria | W. amplissimus (187796 187797) | |
| Turinian | Canada (British Columbia) | W. sp. (192180) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Homerian | USA (Oklahoma) | W. sp. (180172 180173 180174) | |
| Homerian - Gorstian | USA (Tennessee) | W. sp. (164015 164099 164100) | |
| Gorstian | Sweden (Gotland) | W. sp. (184977) | |
| Ludfordian | Sweden (Gotland) | W. sp. (200155 200184 200185) | |
| Ludfordian | USA (Missouri) | Acodus bicostatus (180195 181025) | |
| Ludfordian | USA (Oklahoma) | W. sp. (180262 180263) | |
| Pridoli | Austria | W. multistriatus (140826) | |
| Pridoli | Australia (New South Wales) | W. multistriatus (177224 177225 177226 177227 177228 177229 177230 177232 177233 177234 177236 177237 177238 177239 177240 177242 177243 177244 177245 177246 177247 177248 177249 177250 177252 177253 177254 177255 177256 177257 177258 177267 178392 178394 178400 178408 178410 178413 178415 178416 178417 178418 178419 178420 178423 178424 178426 178427 178429 178432 178433 178442) W. multistriatus, W. sp. (178425) W. sp. (178422) | |
| Pridoli | United Kingdom | W. sancticlairi (184289) | |
| Lochkovian | Austria | W. multistriatus (141063) | |