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Lanceolites
Taxonomy
Lanceolites was named by Hyatt and Smith (1905) [Sepkoski's age data: Tr Olen-l Tr Olen-u Sepkoski's reference number: 302,1066]. Its type is Lanceolites compactus. It is the type genus of Lanceolitidae.
It was assigned to Lanceolitinae by Spath (1934); to Hedenstroemiidae by Ganev (1966), Kummel (1969); to Ceratitida by Sepkoski (2002); and to Lanceolitidae by Tozer (1981), Brayard et al. (2013).
It was assigned to Lanceolitinae by Spath (1934); to Hedenstroemiidae by Ganev (1966), Kummel (1969); to Ceratitida by Sepkoski (2002); and to Lanceolitidae by Tozer (1981), Brayard et al. (2013).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1905 | Lanceolites Hyatt and Smith |
| 1934 | Lanceolites Spath |
| 1966 | Lanceolites Ganev |
| 1969 | Lanceolites Kummel |
| 1981 | Lanceolites Tozer p. 90 |
| 2002 | Lanceolites Sepkoski |
| 2013 | Lanceolites Brayard et al. p. 188 |
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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. †Lanceolites Hyatt and Smith 1905
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†Lanceolites compactus Hyatt and Smith 1905
†Lanceolites discoidalis Ganev 1966
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 13 | 12.2 | 7.00 | 31.0 | 11.0 | 7.93 | |
| shell diameter | 13 | 24.4 | 12.0 | 67.0 | 26.3 | 16.2 | |
| shell inflation | 13 | 0.001 | 0.001 | 0.001 | 0.001 | - |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Smithian or 249.90000 to 248.10000 Ma
Collections (39 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | USA (Nevada) | L. bicarinatus (33313) | |
| Early/Lower Triassic | USA (Idaho) | L. compactus (33285 33286 33314) | |
| Smithian | USA (California) | L. compactus, L. bicarinatus (33298) | |
| Smithian | Oman | L. compactus (127388 127390 127392) L. compactus, L. bicarinatus (102600) | |
| Smithian | Russian Federation | L. compactus, L. bicarinatus (99538) | |
| Smithian | China (Guangxi) | L. bicarinatus (97158 97199) L. compactus (97138) L. compactus, L. bicarinatus (97163) | |
| Smithian | USA (Idaho) | L. compactus (33288 33292 33293) | |
| Smithian | China (Gunagxi) | L. orientalis (44009) | |
| Smithian | USA (Nevada) | L. compactus (61515 62096 97118 97119 97120 97121) | |
| Smithian | USA (Alaska) | L. compactus (44415) L. compactus, L. bicarinatus (44394) | |
| Smithian | USA (Utah) | L. bicarinatus (156052 156053) L. compactus (156051 156074 156075) L. compactus, L. bicarinatus (156022 156023 156025 156054) | |
| Smithian | China (Xizang) | L. compactus (229763 229769) | |
| Smithian | Russian Federation (Primorye) | L. sp. (47258) | |
| Olenekian | Bulgaria (Burgas) | L. discoidalis (213183) |