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Bakevellia costata
Taxonomy
Mytulites costata was named by Schlotheim (1820).
It was recombined as Gervillia costata by Credner (1851); it was recombined as Gervilleia costata by Frech (1912); it was recombined as Bakevellia costata by Xu (1978), Yang et al. (1979), Neri and Posenato (1985), Sha (1995), Sha and Grant-Mackie (1996), Hautmann et al. (2013).
It was recombined as Gervillia costata by Credner (1851); it was recombined as Gervilleia costata by Frech (1912); it was recombined as Bakevellia costata by Xu (1978), Yang et al. (1979), Neri and Posenato (1985), Sha (1995), Sha and Grant-Mackie (1996), Hautmann et al. (2013).
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 |
|---|---|
| 1820 | Mytulites costata Schlotheim |
| 1851 | Gervillia costata Credner |
| 1912 | Gervilleia costata Frech |
| 1978 | Bakevellia costata Xu p. 321 figs. Pl 104, fig 33 |
| 1979 | Bakevellia costata Yang et al. p. 469 figs. Pl 2, figs 10-12 |
| 1985 | Bakevellia costata Neri and Posenato p. 93 figs. Pl 1, fig 5B |
| 1995 | Bakevellia costata Sha p. 89 figs. Pl 25, figs 1-4 |
| 1996 | Bakevellia costata Sha and Grant-Mackie fig. 3F |
| 2013 | Bakevellia costata Hautmann et al. p. 271 figs. 5R-U |
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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 costata Schlotheim 1820
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 1 | 8.13 | - | - | - | - | |
| valve height | 10 | 7.44 | 2.71 | 15.9 | 8.50 | 5.59 |
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| Source: g = genus, superf = superfamily, o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2003, Kiessling 2004, Sanchez Roig 1926 | |||||
Age range: base of the Changhsingian to the top of the Longobardian or 254.14000 to 237.00000 Ma
Collections (86 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Chongqing) | Bakevellia costata (94989) | |
| Changhsingian | China (Zhejiang) | Bakevellia costata (60533) | |
| Griesbachian | China (Zhejiang) | Bakevellia costata (105220 105221) | |
| Early/Lower Triassic | Hungary (Bakony) | Gervilleia costata (203240) | |
| Spathian | China (Shaanxi) | Bakevellia costata (150462) | |
| Spathian | USA (Utah) | Bakevellia costata (62970 62971 62974 62982 63005 63007 63008 63015 63039 63143 63205 64715 65878 122198 122199 122200 122201 122203 122205 122207 122208 141586 141595 141602) | |
| Spathian | China (Qinghai) | Bakevellia costata (56724) | |
| Spathian | Italy | Bakevellia costata (115789) | |
| Aegean - Bithynian | Hungary (Baranya) | Bakevellia costata (181569) | |
| Aegean - Bithynian | Italy | Gervillia costata (87247) | |
| Anisian | China (Yunnan) | Bakevellia costata (98536) | |
| Anisian | China (Sichuan) | Bakevellia costata (123711) | |
| Anisian | Germany (Baden-Württemberg) | Bakevellia costata (66084) | |
| Anisian | Poland | Gervilleia costata (63538) | |
| Anisian | China (Qinghai) | Bakevellia costata (101043 101044) | |
| Anisian | Germany (Hessen) | Bakevellia costata (66083) Gervilleia costata (38545 44357 44358) | |
| Middle Triassic | Germany (Sachsen-Anhalt) | Gervillia costata (201970) | |
| Pelsonian | Italy (Vicentin) | Gervillia costata (87260) | |
| Pelsonian | Hungary (Baranya) | Bakevellia costata (181571) | |
| Illyrian | Germany (Baden-Württemberg) | Bakevellia costata (67647) | |
| Illyrian | Hungary | Gervilleia costata (199876) | |
| Ladinian | Slovakia | Bakevellia costata (23867) | |
| Ladinian | Svalbard and Jan Mayen | Gervilleia costata (212183) | |
| Ladinian | Germany (Baden-Württemberg) | Bakevellia costata (66100) | |
| Ladinian | Germany | Bakevellia costata (45421) | |
| Ladinian | Afghanistan (Hindu kush) | Bakevellia costata (123734 123735 123736 123737 123738 123740 123741 123742 123743 123744 123745 123746 123747 123748) | |
| Ladinian | Spain (Andalucia) | Bakevellia costata (44835 44837 44838 44839 44840 44841 44842 44843 44846) | |
| Ladinian | Germany (Thuringia) | Gervillia costata (89457) | |
| Ladinian | Spain | Bakevellia costata (121043 239586 239587 239588) | |
| Longobardian | Spain (Alicante) | Bakevellia costata (202223 202224 202225 202234 202240) |