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Subcolumbites
Taxonomy
Subcolumbites was named by Spath (1930) [Sepkoski's age data: Tr Olen-u Sepkoski's reference number: 302]. It is not extant. Its type is Columbites perrinismithi.
It was assigned to Paranannitidae by Spath (1934) and Kummel (1969); to Ceratitida by Sepkoski (2002); to Paragoceratidae by Guex et al. (2010); and to Columbitidae by Tozer (1981) and Ehiro et al. (2016).
It was assigned to Paranannitidae by Spath (1934) and Kummel (1969); to Ceratitida by Sepkoski (2002); to Paragoceratidae by Guex et al. (2010); and to Columbitidae by Tozer (1981) and Ehiro et al. (2016).
Species
S. chaohuensis, S. chaoxianensis, S. dusmani (syn. Columbites dianae, Columbites aithaliae, Columbites graecoamericanus, Columbites chiotica), S. europaeus, S. minutus, S. perrinismithi (syn. Columbites mirditensis, S. kwangsianus, Columbites asymmetricus, Columbites europaeusperrinismithi), S. robustus
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Subcolumbites Spath |
| 1934 | Subcolumbites Spath |
| 1969 | Subcolumbites Kummel |
| 1981 | Subcolumbites Tozer p. 91 |
| 2002 | Subcolumbites Sepkoski |
| 2010 | Subcolumbites Guex et al. p. 41 |
| 2016 | Subcolumbites Ehiro et al. p. 97 |
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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. †Subcolumbites Spath 1930
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†Subcolumbites chaohuensis Guo 1982
†Subcolumbites chaoxianensis Guo 1982
†Subcolumbites dusmani Arthaber 1911
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Invalid names: Columbites aithaliae Renz and Renz 1948 [synonym], Columbites chiotica Renz and Renz 1948 [synonym], Columbites dianae Renz and Renz 1948 [synonym], Columbites graecoamericanus Renz and Renz 1948 [synonym]
†Subcolumbites europaeus Arthaber 1908
†Subcolumbites minutus Guo 1982
†Subcolumbites perrinismithi Arthaber 1908
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Invalid names: Columbites asymmetricus Chao 1959 [synonym], Columbites europaeusperrinismithi Renz and Renz 1948 [synonym], Columbites mirditensis Arthaber 1911 [synonym], Subcolumbites kwangsianus Chao 1959 [synonym]
†Subcolumbites robustus Chao 1950
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 26 | 12.1 | 7.00 | 17.4 | 12.6 | 4.47 | |
| shell diameter | 26 | 37.6 | 15.0 | 79.4 | 36.9 | 15.2 | |
| shell inflation | 26 | 13.6 | 4.00 | 23.1 | 19.7 | 8.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Olenekian or 251.20000 to 247.20000 Ma
Collections (27 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Spathian | China (Gunagxi) | Columbites asymmetricus (44003) | |
| Spathian | China (Anhui) | S. perrinismithi, S. chaoxianensis, S. chaohuensis (150821) S. sp. (111495 111496 111499 149181) | |
| Spathian | China (Guangxi) | Columbites asymmetricus (44004) Fengshanites robustus (44007) S. kwangsianus (44008) | |
| Spathian | USA (Idaho) | S. perrinismithi (109416 109417) | |
| Spathian | Japan | S. perrinismithi (101736 107621 186961) S. sp. (173664) S. sp., S. perrinismithi (186958) | |
| Spathian | Albania | Columbites perrinismithi, Columbites europaeus, Columbites mirditensis, S. dusmani (97000) S. sp. (108977 108983 108984) S. sp., S. perrinismithi, S. europaeus (108976) | |
| Spathian | Afghanistan (Pakhtia) | S. perrinismithi (111023) | |
| Spathian | China (Jiangsu) | S. sp. (150824) | |
| Spathian | Greece | Columbites europaeus, Columbites europaeusperrinismithi (112608 112609) Columbites perrinismithi, Columbites europaeus, Columbites europaeusperrinismithi, Columbites mirditensis, Columbites dianae, Columbites chiotica, Columbites graecoamericanus, Columbites aithaliae, Columbites parisianus (112607) | |
| Olenekian | Iran (Isfahan) | S. perrinismithi (211340) |