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Laevigatosporites
Taxonomy
Laevigatosporites was named by Ibrahim (1933). It is not extant. It is considered to be a form taxon. Its type is Laevigatosporites vulgaris.
It was assigned to Pteridophyta by Wilson and Webster (1946); to Pteridopsida by Archangelsky (1973); to Filicopsida by Santamarina et al. (2020); and to Polypodiaceae by Jarzen (1982), Perez Loinaze et al. (2023).
It was assigned to Pteridophyta by Wilson and Webster (1946); to Pteridopsida by Archangelsky (1973); to Filicopsida by Santamarina et al. (2020); and to Polypodiaceae by Jarzen (1982), Perez Loinaze et al. (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1933 | Laevigatosporites Ibrahim |
| 1946 | Laevigatosporites Wilson and Webster |
| 1973 | Laevigatosporites Archangelsky |
| 1982 | Laevigatosporites Jarzen p. 15 |
| 2020 | Laevigatosporites Santamarina et al. p. 53 |
| 2023 | Laevigatosporites Perez Loinaze et al. |
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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. †Laevigatosporites Ibrahim 1933
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†Laevigatosporites arcotensis Ramanujam 1967
†Laevigatosporites belfordii Burger 1976
†Laevigatosporites cognatus Sah and Kar 1969
†Laevigatosporites discordatus Thomson and Pflug 1953
†Laevigatosporites gracilis Wilson and Webster 1946
†Laevigatosporites haardti Thomson and Pflug 1959
†Laevigatosporites irritans Thiergart and Frantz 1962
†Laevigatosporites lakiensis Sah and Kar 1969
†Laevigatosporites major Krutzsch 1959
†Laevigatosporites neddeni Pflug 1953
†Laevigatosporites ovatus Wilson and Webster 1946
†Laevigatosporites plicatus Kar 1968
†Laevigatosporites punctatus Venkatachala and Kar 1968
†Laevigatosporites tibuensis Jaramillo and Dilcher 2001
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Invalid names: Psilamonoletes tibui Van der Hammen 1956 [synonym]
†Laevigatosporites traversei Biswas 1962
†Laevigatosporites vulgaris Ibrahim 1933
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | s.d. | ||||
|---|---|---|---|---|---|---|---|
| Pollen grain diameter | 1 | 0.013 | - | ||||
| microspore diameter | 41 | 0.029 | 0.004 |
No ecological data are available
Collections (689 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Eifelian | China (Guizhou) | L. comutatus (22765) | |
| Carboniferous - Permian | USA (Arizona) | L. sp. (10750) | |
| Early/Lower Pennsylvanian | USA (Arkansas) | L. desmoinesensis (124904) L. desmoinesensis, L. vulgaris (124539) | |
| Early/Lower Pennsylvanian - Middle Pennsylvanian | USA (Illinois) | L. desmoinesensis (126926) L. desmoinesensis, L. medius (127313) L. ovalis (126927) | |
| Bashkirian - Gzhelian | USA (Indiana) | L. desmoinensis, L. globosus, L. medius, L. minutus, L. ovalis, L. vulgaris (23630) L. globosus, L. medius, L. minutus, L. ovalis, L. punctatus (23561) | |
| Bashkirian - Gzhelian | USA (Illinois) | L. desmoinensis, L. globosus, L. medius, L. minutus, L. ovalis, L. vulgaris (23635 23641) L. desmoinensis, L. globosus, L. medius, L. minutus, L. ovalis, L. vulgaris, L. punctatus (23516 23577 23629 23631 23647 23707) L. desmoinensis, L. globosus, L. minutus, L. ovalis, L. punctatus (23526) L. desmoinensis, L. minutus, L. ovalis, L. vulgaris (23706) L. globosus, L. medius, L. minutus, L. ovalis, L. vulgaris (23563) L. globosus, L. medius, L. minutus, L. ovalis, L. vulgaris, L. punctatus (23560 23566) L. globosus, L. medius, L. ovalis (23514) | |
| Early/Lower Pennsylvanian - Late/Upper Pennsylvanian | USA (Oklahoma) | L. ovalis, L. vulgaris (127306) | |
| Pennsylvanian | USA (Illinois) | L. vulgaris (127212) | |
| Pennsylvanian | Canada (Nunavut) | L. sp. (111662) | |
| Atokan | USA (Indiana) | L. minutus, L. globosus (11199) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Late/Upper Oligocene - Middle Miocene | Argentina (Tierra del Fuego) | L. ovatus (169381) | |
| Late/Upper Oligocene - Miocene | Argentina | L. ovatus (169468) | |
| Early/Lower Miocene - Middle Miocene | Colombia (Cundinamarca) | L. tibuensis (122034) | |
| Early/Lower Miocene - Middle Miocene | Argentina (Tierra del Fuego) | L. ovatus (166708) | |
| Miocene | India (Tamil Nadu) | L. ovalis, L. gracilis, L. arcotensis, L. cognatus (224618) | |
| Middle Miocene | Australia (New south wales) | L. spp. (168992 168993 168994 168995 168996 168997 168998 168999 169000 169001 169002 169003 169004 169005) | |
| Middle Miocene | Australia (New South Wales) | L. sp. (224044) | |
| Middle Miocene - Early/Lower Pliocene | South Atlantic (Falkland Islands) | L. ovatus (169355 169356) | |
| Late/Upper Miocene | Argentina (Catamarca) | L. ovatus (137142) | |
| Early/Lower Pleistocene - Middle Pleistocene | Australia (Tasmania) | L. ovatus (166707) | |