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Bakevellia exporrecta
Taxonomy
Gervillia exporrecta was named by Lepsius (1878). It is not a trace fossil. Its type locality is Malga Bruffione, Val Caffaro, which is in an Anisian carbonate limestone in Italy.
It was recombined as Gervilleia exporrecta by Bittner (1899); it was recombined as Gervillella exporrecta by Spath (1935); it was recombined as Bakevellia exporrecta by Chen (1982), Neri and Posenato (1985), Sha (1995), Sha and Grant-Mackie (1996), Hofmann and Hautmann (2013), Hautmann et al. (2013), Pan et al. (2014), Hofmann et al. (2015) and Foster et al. (2019).
It was recombined as Gervilleia exporrecta by Bittner (1899); it was recombined as Gervillella exporrecta by Spath (1935); it was recombined as Bakevellia exporrecta by Chen (1982), Neri and Posenato (1985), Sha (1995), Sha and Grant-Mackie (1996), Hofmann and Hautmann (2013), Hautmann et al. (2013), Pan et al. (2014), Hofmann et al. (2015) and Foster et al. (2019).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1878 | Gervillia exporrecta Lepsius |
| 1899 | Gervilleia exporrecta Bittner |
| 1927 | Gervillia exporrecta Ogilvie Gordon |
| 1935 | Gervillella exporrecta Spath figs. Pl 22, fig 9 |
| 1979 | Gervillia exporrecta Yang et al. p. 470 figs. Pl 2, fig 13 |
| 1982 | Bakevellia exporrecta Chen p. 213 figs. Pl 3, figs 13,16-18 |
| 1985 | Bakevellia exporrecta Neri and Posenato p. 92 figs. Pl 1, figs 10,11 |
| 1995 | Bakevellia exporrecta Sha p. 89 figs. Pl 25, fig 7 |
| 1996 | Bakevellia exporrecta Sha and Grant-Mackie fig. 3G |
| 2013 | Bakevellia exporrecta Hautmann et al. p. 270 figs. 5I-Q |
| 2013 | Bakevellia exporrecta Hofmann and Hautmann p. 559 fig. 10E,F |
| 2014 | Bakevellia exporrecta Pan et al. p. 144 fig. 5I,J |
| 2015 | Bakevellia exporrecta Hofmann et al. fig. 3F |
| 2019 | Bakevellia exporrecta Foster et al. p. 623 fig. 7D,E |
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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 exporrecta Lepsius 1878
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 14.4 | 7.31 | 19.8 | 16.0 | 4.83 | |
| valve height | 13 | 7.93 | 1.92 | 23.4 | 8.21 | 6.44 |
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| Source: g = genus, superf = superfamily, o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003, Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Collections (150 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Induan | China (Yunnan) | Bakevellia exporrecta (123724) | |
| Induan | Svalbard and Jan Mayen | Gervilleia exporrecta (212933 212966) | |
| Induan | Bosnia and Herzegovina | Gervilleia exporrecta (212714) | |
| Early/Lower Triassic | Russian Federation (Primorsky Krai) | Gervilleia exporrecta (202918 202938) Gervillia exporrecta (202937) | |
| Early/Lower Triassic | Hungary (Bakony) | Gervilleia exporrecta (203240) | |
| Early/Lower Triassic - Anisian | Italy (Lombardy) | Gervillia exporrecta (231734) | |
| Griesbachian - Dienerian | Svalbard and Jan Mayen | Bakevellia exporrecta (211946) | |
| Griesbachian | Svalbard and Jan Mayen | Gervilleia exporrecta (211948) | |
| Griesbachian | China (Guizhou) | Bakevellia exporrecta (157352 200983 200985 200988 200989 200991 200994 201000 201002 201003 201007 201012) | |
| Griesbachian | Greenland | Gervilleia exporrecta (48113 48114) Gervillella exporrecta (118510 118559 118655 118682 118683) | |
| Smithian | China (Qinghai) | Bakevellia exporrecta (112806 112807) | |
| Smithian | USA (Utah) | Bakevellia exporrecta (156096 156100 156101 156110 156112 156116) | |
| Smithian | Italy | Bakevellia exporrecta (165144 165147) | |
| Smithian | Russian Federation (Primorye) | Bakevellia exporrecta (47287) | |
| Spathian | China (Shaanxi) | Gervillia exporrecta (150462) | |
| Spathian | USA (Utah) | Bakevellia exporrecta (62970 62971 62972 62974 62975 62983 62989 62991 63014 63198 63205 65878 66113 122196 122197 122200 122201 122202 122203 122206 122208 141588 141595 141596 141597 156079 156081 156083 156085 156086 156089 156090 156092 156115 156117 156119 156121) Bakevellia sp. (63007) | |
| Spathian | Italy | Bakevellia exporrecta (115787 115788 115789 115790 115791 165141 165150 165153 165154 165157 165158 165159 165160 165166 165167 165168) | |
| Spathian | China (Qinghai) | Bakevellia exporrecta (56724) | |
| Spathian | Hungary | Bakevellia exporrecta (139954 139955 139956 139957 139958 139962 139963 139966 139967 139969 139972 139975 139979 139981 139983 139984 139986 139987 139988 139989 139990 139991 139992 139995 139996 139997 139998 139999 140000) | |
| Spathian | Russian Federation | Bakevellia exporrecta (214730) | |
| Spathian | Italy (Trentino) | Bakevellia exporrecta (197878) | |
| Spathian | Russian Federation (Primorye) | Bakevellia exporrecta (47295 47298 47315 47316) | |
| Olenekian | Croatia | Gervilleia exporrecta (212710 212711) | |
| Olenekian | China (Xizang) | Bakevellia exporrecta (150490 150492 150512) | |
| Olenekian | Thailand | Bakevellia exporrecta (44806) | |
| Olenekian | Croatia (Split-Dalmatia) | Gervilleia exporrecta (211741) | |
| Olenekian | Bosnia and Herzegovina | Gervilleia exporrecta (211748 211897 212715 212718 212722) | |
| Olenekian | Svalbard and Jan Mayen | Gervillia exporrecta (212786 212787) | |
| Olenekian - Anisian | Jordan (Janoobiah) | Gervillia exporrecta (201986) | |
| Anisian | Italy (South Tyrol) | Gervillia exporrecta (205069 205092) | |
| Anisian | Italy (Brescia) | Gervillia exporrecta (type locality: 232111) |