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Lamnimargus
Taxonomy
Lamnimargus was named by Waterhouse (1975) [Sepkoski's age data: P Leon-u P Guad-l Sepkoski's reference number: 963,1246].
It was assigned to Paucispiniferini by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
It was assigned to Paucispiniferini by Williams et al. (2000); and to Strophomenida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Lamnimargus Waterhouse p. 10 |
| 2000 | Lamnimargus Williams et al. pp. 446-447 |
| 2002 | Lamnimargus Sepkoski |
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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. †Lamnimargus Waterhouse 1975
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†Lamnimargus caucasicus Licharew 1937
†Lamnimargus himalayensis Diener 1899
†Lamnimargus japonicus Tazawa 1975
†Lamnimargus peregrinus Fredericks 1924
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Invalid names: Dictyoclostus zesiensis Lee and Gu 1976 [synonym], Dictyoproductus zesiensis Lee and Gu 1976 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| valve height | 3 | 9.67 | 8.73 | 11.6 | 8.89 | 1.64 |
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Williams et al. 2000 | |||||
Age range: base of the Artinskian to the top of the Changhsingian or 290.10000 to 252.17000 Ma
Collections (60 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Artinskian | Tajikistan | Probolionia himalayensis (109468) | |
| Kungurian | Tajikistan | Probolionia himalayensis (88697) | |
| Roadian | Croatia | Paramarginifera himalayensis (62243) | |
| Roadian | Thailand | L. sp. (116386) | |
| Roadian | China (Xinjiang) | Paramarginifera himalayensis (123272) | |
| Wordian | Japan | L. peregrinus (118972) | |
| Wordian - Capitanian | China (Heilongjiang) | Paramarginifera peregrina (94837) | |
| Capitanian | Russian Federation | Probolionia peregrina (109819 112558) | |
| Capitanian | Japan | Kozlowskia sp. (106722) L. peregrinus (62292) | |
| Wuchiapingian | Japan (Iwate) | L. japonicus (61931) | |
| Wuchiapingian | Russian Federation (Primorye) | L. himalayensis (63899) | |
| Wuchiapingian | India (Kashmir) | Marginifera himalayensis (82587) | |
| Wuchiapingian | China (Xizang) | L. himalayensis (121157 121158) L. sp. (61562 73591) Marginifera himalayensis (109926) Rugivestis caucasicus (110082) | |
| Wuchiapingian | Nepal | L. himalayensis (43114 43115 43116 43117 43121 43123 43124 43125 43126 43127 43128 43130 43134) | |
| Wuchiapingian | India | Marginifera himalayensis (46291 228446 230619 230623 230625 230626) | |
| Lopingian | India | Marginifera himalayensis (230329 230330 230331 230334 230336 230337 230338 230339 230849 230850) | |
| Changhsingian | India | Marginifera himalayensis (230704) | |
| Changhsingian | Russian Federation | Productus caucasicus (127882 127883 127884) | |
| Changhsingian | Japan | Dictyoclostus sp., Dictyoclostus gratiosus (117838) L. japonicus (149801) L. japonicus, L. peregrinus (149802) L. peregrinus (107624) Paramarginifera japonica (118963 118965) | |
| Changhsingian - Griesbachian | India (Kashmir) | Marginifera himalayensis (50044) |