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Isoetaceae
Taxonomy
Isoetaceae was named by Dumortier (1829). It is extant.
It was assigned to Lycopsida by McIver and Basinger (1993) and Mabberley (2000); and to Isoetales by Prantl (1874), Knowlton (1919), Hickey (1977), Taylor et al. (2008) and I (2016).
It was assigned to Lycopsida by McIver and Basinger (1993) and Mabberley (2000); and to Isoetales by Prantl (1874), Knowlton (1919), Hickey (1977), Taylor et al. (2008) and I (2016).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1829 | Isoetaceae Dumortier p. 67 |
| 1874 | Isoetaceae Prantl pp. 125-126 |
| 1919 | Isoetaceae Knowlton |
| 1977 | Isoetaceae Hickey |
| 1993 | Isoetaceae McIver and Basinger |
| 2000 | Isoetaceae Mabberley |
| 2008 | Isoetaceae Taylor et al. p. 1028 |
| 2016 | Isoetaceae I p. 722 |
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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.
Fm. Isoetaceae Dumortier 1829
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G. †Echinosporis Krutzsch 1967
G. Isoetes Linnaeus 1753 [quillwort]
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†Isoetes brevifolius Lesquereux 1883
†Isoetes janaianus Banerji 1988
†Isoetes reticulata Hill 1987
G. †Isoetites Münster 1842
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†Isoetites brandneri Kustatscher et al. 2010
†Isoetites crociformis Muenster 1842
†Isoetites horridus Dawson 1883
†Isoetites indicus Bose and Roy 1964
†Isoetites serratifolius Bose and Roy 1964
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range
Maximum range based only on fossils: base of the Pelsonian to the top of the Late/Upper Pleistocene or 247.20000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Minimum age of oldest fossil (stem group age): 242.0 Ma
Collections (78 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pelsonian | Italy | Isoetites brandneri (154334) | |
| Middle Jurassic - Late/Upper Jurassic | India | Isoetites sp. 1, Isoetites sp. 2 (30127) | |
| Middle Jurassic - Late/Upper Jurassic | India (Gujarat) | Isoetites serratifolius (229226 229325 229853 229854) | |
| Bajocian - Callovian | USA (Oregon/Idaho) | Isoetites sp. (24792) | |
| Kimmeridgian - Tithonian | USA (Colorado) | Isoetaceae indet. (11611) | |
| Neocomian | Australia (Victoria) | Isoetites abundans (33810 33813 33824 33854 33945) | |
| Early/Lower Cretaceous | India (Gujarat) | Isoetites indicus, Isoetes janaianus (229188) Isoetites serratifolius (32384 32386 32389 224620) | |
| Early/Lower Barremian | United Kingdom (England) | Isoetes sp. (45193) | |
| Aptian | Portugal | Isoetes choffati (73584) | |
| Late/Upper Aptian - Early/Lower Albian | India (Gujarat) | Isoetites indicus, Isoetes janaianus (32378) | |
| Late/Upper Cretaceous - Eocene | New Zealand (Canterbury) | Echinosporis sp. (170882 170888 170893) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Argentina (Mendoza) | Echinosporis sp. (168549) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | Echinosporis sp. 1, Echinosporis sp. 2 (150237) | |
| Late/Upper Campanian - Maastrichtian | Antarctica (Seymour Island) | Echinosporis sp. 1 (167585) | |
| Late/Upper Campanian - Danian | Antarctica | Echinosporis sp. 1 (167588) | |
| Maastrichtian | Argentina (Santa Cruz) | Echinosporis sp. 1 (149973) | |
| Maastrichtian | Argentina (Chubut) | Echinosporis sp. (149815 151446 151452) | |
| Early/Lower Paleocene | USA (Montana) | Isoetites horridus (53691) | |
| Danian | Argentina (Chubut) | Echinosporis sp. (151456 151457 151460) | |
| Paleocene | USA (Wyoming) | Isoetites horridus (43215 57972) | |
| Paleocene | USA (North Dakota) | Isoetites horridus (43284) | |
| Paleocene | USA (Montana) | Isoetites horridus (40098) | |
| Paleocene | Canada (Saskatchewan) | Isoetites horridus (34428) | |
| Paleocene | USA (New Mexico) | Isoetites horridus (43150) | |
| Paleocene | USA (Colorado) | Isoetites horridus (53072) | |
| Clarkforkian | USA (Wyoming) | Isoetites horridus (11386) | |
| Wasatchian | USA (North Dakota) | Isoetites horridus (10806 10807 10973 10980) | |
| Oligocene | USA (Montana) | Isoetes trullata (23793) | |
| Late/Upper Oligocene - Early/Lower Miocene | Australia (Tasmania) | Isoetes reticulata (167314) | |
| Late/Upper Oligocene - Middle Miocene | Argentina (Tierra del Fuego) | Isoetes savatieri (169381) | |
| Early/Lower Miocene - Middle Miocene | Argentina (Tierra del Fuego) | Isoetes savatieri (166708) | |
| Miocene - Pliocene | Bolivia | Isoetes sp. (34363) | |
| Early/Lower Pleistocene | Australia (Victoria) | Isoetes indet. (172830 172832 172833 172836 172837 172855 172867 172868 172870 172871 172873 172874 172876 172877 172878 172879 172880 172881 172882 172883 172884) | |
| Early/Lower Pleistocene | USA (North Carolina) | Isoetes sp. (61887) | |
| Late/Upper Pleistocene | United Kingdom (Worcestershire) | Isoetes hystrix (163070) | |
| Late/Upper Pleistocene | Canada (Ontario) | Isoetes lacustris (174229 174230) |