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Pseudaspidites
Taxonomy
Pseudaspidites was named by Spath (1934) [Sepkoski's age data: Tr Nm Tr Olen-u Sepkoski's reference number: 302]. It is not extant.
It was assigned to Paranoritidae by Spath (1934), Kummel and Steele (1962) and Kummel (1969); to Ceratitida by Sepkoski (2002); and to Proptychitidae by Brühwiler and Bucher (2012) and Shigeta and Nguyen (2014).
It was assigned to Paranoritidae by Spath (1934), Kummel and Steele (1962) and Kummel (1969); to Ceratitida by Sepkoski (2002); and to Proptychitidae by Brühwiler and Bucher (2012) and Shigeta and Nguyen (2014).
Species
P. muthianus (syn. Clypeoceras tsotengense, P. simplex, P. lolouensis, P. kwangsianus, P. aberrans, Proptychites abnormalis, Proptychites sinensis, Pseudohedenstroemia magna, P. longisellatus, Proptychites latilobatus, Proptychites angusellatus, P. stenosellatus, Clypeoceras kwangsiense, Clypeoceras lenticulare), P. planus, P. popovi, P. silberlingi, P. wheeleri, P. yudishthira
Synonymy list
| Year | Name and author |
|---|---|
| 1934 | Pseudaspidites Spath |
| 1962 | Pseudaspidites Kummel and Steele p. 673 |
| 1969 | Pseudaspidites Kummel |
| 2002 | Pseudaspidites Sepkoski |
| 2012 | Pseudaspidites Brühwiler and Bucher p. 17 |
| 2014 | Pseudaspidites Shigeta and Nguyen p. 78 |
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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. †Pseudaspidites Spath 1934
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†Pseudaspidites muthianus Krafft and Diener 1909
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Invalid names: Clypeoceras kwangsiense Chao 1959 [synonym], Clypeoceras lenticulare Chao 1959 [synonym], Clypeoceras tsotengense Chao 1959 [synonym], Proptychites abnormalis Chao 1959 [synonym], Proptychites angusellatus Chao 1959 [synonym], Proptychites latilobatus Chao 1959 [synonym], Proptychites sinensis Chao 1959 [synonym], Pseudaspidites aberrans Chao 1959 [synonym], Pseudaspidites kwangsianus Chao 1959 [synonym], Pseudaspidites lolouensis Chao 1959 [synonym], Pseudaspidites longisellatus Chao 1959 [synonym], Pseudaspidites simplex Chao 1959 [synonym], Pseudaspidites stenosellatus Chao 1959 [synonym], Pseudohedenstroemia magna Chao 1959 [synonym]
†Pseudaspidites planus Brühwiler and Bucher 2012
†Pseudaspidites popovi Kummel 1969
†Pseudaspidites silberlingi Jenks et al. 2010
†Pseudaspidites wheeleri Kummel and Steele 1962
†Pseudaspidites yudishthira Diener 1897
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 32 | 31.4 | 9.00 | 74.0 | 31.9 | 15.8 | |
| shell diameter | 32 | 58.9 | 16.0 | 132.0 | 59.0 | 31.8 | |
| shell inflation | 32 | 9.63 | 4.00 | 25.0 | 10.0 | 5.22 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (68 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Triassic | USA (Idaho) | Clypeoceras muthianum (33285) | |
| Smithian | USA (Nevada) | P. silberlingi (97120 97121) P. wheeleri (61515 62096) | |
| Smithian | Vietnam | P. muthianus (155480 155481 155482 155485 155487) | |
| Smithian | China (Xizang) | P. muthianus (229716 229790) P. sp. (97327 97360 226385) P. sp., P. muthianus (229749 229750) | |
| Smithian | Russian Federation | P. sp. (168039 168042 168049) | |
| Smithian | Pakistan | P. muthianus (139086) | |
| Smithian | USA (Idaho) | Clypeoceras muthianum (33288 33293) | |
| Smithian | China (Gunagxi) | P. simplex, P. longisellatus, Proptychites angusellatus, Proptychites latilobatus, Pseudohedenstroemia magna, Clypeoceras kwangsiense (44014) Ussuriceras sp. (44000) | |
| Smithian | China (Guangxi) | P. lenticularis, P. kwangsianus, P. simplex (44002) P. muthianus (97135 97136 97142 97144 97145 97147 97148 97149 97150 97151 97152 97153 97154 97155 97156 97180 97183 97184 97193 97194) P. simplex (44012) P. sp. (97157) P. stenosellatus, Proptychites sinensis (44016) | |
| Smithian | India (Himachal Pradesh) | P. muthianus (139647 139670) P. sp. (139642 139680) | |
| Smithian | Oman | P. muthianus (127429 127431 127432) P. planus (127388 127392 127430) P. sp. (127402 127403 127404) P. sp., P. planus (127407 127409) P. wheeleri (73233) | |
| Spathian | India (Himachal Pradesh) | Meekoceras yudishthira (210997) | |
| Spathian | USA (Idaho) | P. popovi (110956) | |
| Dienerian - Spathian | China | P. lolouensis, P. aberrans (44006) |