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Bakevellia (Bakevellia) waltoni
Taxonomy
Gervillia waltoni was named by Lycett (1863).
It was recombined as Bakevellia (Bakevellia) waltoni by Aberhan (1998).
It was recombined as Bakevellia (Bakevellia) waltoni by Aberhan (1998).
Sister species lacking formal opinion data
B. acutaurita, B. costatus, B. douglasi, B. exporrecta, B. fraasi, B. gansingensis, B. goldfussi, B. hagenowi, B. iraonensis, B. laevis, B. magnissima, B. matsushitai, B. modiloformis, B. nrsina, B. parva, B. praecur., B. pseudorostrata, B. taelei, B. hekiensis, B. saekii, B. subhekiensis, B. khenianensis, B. dentata, B. czeljuskini, B. okuyaensis, B. araiensis, B. cassianelloides, B. constricta, B. diversa, B. gibbera, B. kambei, B. kambei, B. magnissima, B. matsushitai, B. nasseriei, B. negoyensis, B. ohishiensis, B. ominensis, B. otariensis, B. oyogiensis, B. pseudorostrata, B. sanctigalli, B. savaiensis, B. shinanoensis, B. tadai
Synonymy list
| Year | Name and author |
|---|---|
| 1863 | Gervillia waltoni Lycett p. 110 figs. Pl 32, fig 4 |
| 1998 | Bakevellia (Bakevellia) waltoni Aberhan p. 71 figs. Pl 2, fig 16; pl 3, figs 5-7 |
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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.
†Bakevellia (Bakevellia) waltoni Lycett 1863
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 6.86 |
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| Source: g = genus, superf = superfamily, o = order, c = class | |||||
| References: Kiessling 2003, Sanchez Roig 1926, Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Sinemurian to the top of the Late/Upper Oxfordian or 199.50000 to 154.80000 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Sinemurian | Chile | Bakevellia waltoni (32411 33951) | |
| Sinemurian | Canada (Yukon) | Bakevellia waltoni (53114 53115 53131 53163 53164 53165 53166) | |
| Ibex | Canada (British Columbia) | Bakevellia waltoni (53168 53283) | |
| Late/Upper Pliensbachian | Chile | Bakevellia waltoni (33886 33889) | |
| Pliensbachian | Canada (British Columbia) | Bakevellia waltoni (53162) | |
| Freboldi | Canada (British Columbia) | Bakevellia waltoni (53167) | |
| Early/Lower Toarcian | Spain (Teruel) | Bakevellia waltoni (211197) | |
| Early/Lower Toarcian | Spain | Bakevellia waltoni (25664 25667 25668 25777) | |
| Early/Lower Toarcian - Middle Toarcian | Spain | Bakevellia waltoni (51613) | |
| Middle Toarcian | Spain | Bakevellia waltoni (25880 25881) | |
| Bajocian | India | Bakevellia waltoni (68274 68275 68276 68277 68280) | |
| Bathonian | United Kingdom (England) | Bakevellia waltoni (36548 36549 36555 36557 38401) | |
| Bathonian | India | Bakevellia waltoni (67397 67663 67664 67668 68278 68279) | |
| Late/Upper Bathonian | United Kingdom | Bakevellia waltoni (37507 37508) | |
| Callovian | India | Bakevellia waltoni (61467 63231 67624 68091 68093) | |
| Callovian | Jordan | Bakevellia waltoni (35700) | |
| Early/Lower Callovian | India | Bakevellia waltoni (62352 68273) | |
| Late/Upper Callovian | India | Bakevellia waltoni (68385) | |
| Callovian - Oxfordian | India | Bakevellia waltoni (68644) | |
| Late/Upper Oxfordian | Germany | Bakevellia waltoni (60387) |