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Metasequoia (dawn redwood)
Taxonomy
Metasequoia was named by Miki (1941). It is extant. Its type is Metasequoia glyptostroboides.
It was assigned to Taxodiaceae by Ozaki (1974), Christophel (1976), Hickey (1977), McIver and Basinger (1993) and Liu et al. (1996); and to Sequoioideae by Ahuja and Neale (2002).
It was assigned to Taxodiaceae by Ozaki (1974), Christophel (1976), Hickey (1977), McIver and Basinger (1993) and Liu et al. (1996); and to Sequoioideae by Ahuja and Neale (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1941 | Metasequoia Miki |
1974 | Metasequoia Ozaki |
1976 | Metasequoia Christophel |
1977 | Metasequoia Hickey |
1993 | Metasequoia McIver and Basinger |
1996 | Metasequoia Liu et al. |
2002 | Metasequoia Ahuja and Neale p. 93 figs. Table 1 |
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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. Metasequoia Miki 1941 [dawn redwood]
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†Metasequoia disticha Miki 1941
Metasequoia glyptostroboides Hu and Cheng 1948 [dawn redwood]
†Metasequoia occidentalis Chaney 1951
†Metasequoia occidentalis Newberry 1863
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 Early/Lower Cenomanian to the top of the Piacenzian or 99.60000 to 2.58800 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma
Collections (220 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Cenomanian - Cenomanian | Canada (British Columbia) | Metasequoia cuneata (32030) | |
Early/Lower Cenomanian | Canada (British Columbia) | Metasequoia cuneata (31904 32027 32031 32096 35003 35007 35009) | |
Early/Lower Cenomanian - Middle Cenomanian | Canada (British Columbia) | Metasequoia sp. (214297) | |
Coniacian - Campanian | Canada (British Columbia) | Metasequoia cuneata (35189 35207 35209 35216 35218 35219) | |
Maastrichtian | USA (North Dakota) | Metasequoia sp. (96781) | |
Lancian | USA (North Dakota) | Metasequoia HC035 (25922 25923) Metasequoia HC35 (48216 48219 48222 48239 48244 48288) Metasequoia occidentalis (25011 25059 48220 48233 48252 48268 48282) Metasequoia occidentalis, Metasequoia HC35 (48246 48248) | |
Late/Upper Maastrichtian | USA (South Dakota) | Metasequoia sp. (47034) | |
Puercan | USA (Wyoming) | Metasequoia occidentalis (11334 11335 11359 11368 11401) | |
Puercan | USA (North Dakota) | Metasequoia occidentalis (25005 25499) | |
Early/Lower Paleocene | Canada (Alberta) | Metasequoia occidentalis (22833) | |
Early/Lower Paleocene | USA (Montana) | Metasequoia occidentalis (53605 53946) | |
Paleocene | Canada (Saskatchewan) | Metasequoia occidentalis (34417) | |
Paleocene | USA (Colorado) | Metasequoia occidentalis (53004) | |
Paleocene | USA (North Dakota) | Metasequoia occidentalis (40390 58032 58084 58086) | |
Paleocene | USA (Wyoming) | Metasequoia occidentalis (40775 40940 57955 57956 57973 57993) | |
Paleocene | China (Xinjiang) | Metasequoia cuneata, Metasequoia disticha (223851) | |
Paleocene | USA (Montana) | Metasequoia occidentalis (40098 40741 40935 43313 53535 53601 53838 53845 53942 53948 55858) | |
Paleocene | Canada (Alberta) | Metasequoia occidentalis (34887 46089) | |
Paleocene - Eocene | Canada (Nunavut) | Metasequoia occidentalis (102072) | |
Torrejonian | USA (Wyoming) | Metasequoia occidentalis (11351 11367) | |
Torrejonian | USA (North Dakota) | Metasequoia occidentalis (24957 24962 24965) | |
Tiffanian | USA (Wyoming) | Metasequoia occidentalis (11333 11341 11361 28632 28633 28634 28635 28636 28637 28638 28639 28640 28641 28643 28644) | |
Thanetian | Faroe Islands | Metasequoia occidentalis (209812) | |
Clarkforkian | USA (Wyoming) | Metasequoia occidentalis (11348 11352 11355 11356 11372 11373 11374 11376 11377 11379 11380 11384 11386 11420 11458 28655 28660 28662 28663 28664 28669 28671 28672 28683) | |
Clarkforkian | USA (North Dakota) | Metasequoia occidentalis (10803 10810 10811 10967 10968 10969 10970 10975 10977 10981 10983 10984) | |
Ypresian | Canada (British Columbia) | Metasequoia occidentalis (227994) | |
Eocene | Japan (Yamaguchi) | Metasequoia occidentalis (24463 24466 24467 24469 24471 24476 24477 24481 24484 24487 24488 24490) Metasequoia occidnetalis (24474) | |
Eocene | USA (Washington) | Metasequoia sp. (10643 22996) | |
Eocene | China (Jilin) | Metasequoia sp. (223891) | |
Eocene | China (Heilongjiang) | Metasequoia disticha (223823) | |
Eocene | China (Henan) | Metasequoia sp. (223894) | |
Graybullian | USA (Wyoming) | Metasequoia occidentalis (11349 11357 11387 11395 11396 11398 11400 11406 11456 11475 11477 11486 11490 11502 11503 11504 11505) | |
Wasatchian | USA (North Dakota) | Metasequoia occidentalis (10965 10966 10979) | |
Early/Lower Eocene | USA (Wyoming) | Metasequoia occidentalis (28696 28698) | |
Early/Lower Eocene | USA (Idaho) | Metasequoia occidentalis (35334 35335 35336 35337 35338 35347 35348) | |
Middle Eocene | China (Jilin) | Metasequoia disticha (179213) | |
Middle Eocene - Late/Upper Eocene | China (Liaoning) | Metasequoia disticha (223815) | |
Uintan | Canada (Nunavut) | Metasequoia sp. (139662) | |
Early/Lower Oligocene | USA (Oregon) | Metasequoia sp. (35220 35221 35235 35236 35237 35238 35269) | |
Rupelian | Russian Federation (Tiumensky) | Metasequoia sp. (22849 22886) | |
Rupelian | Russian Federation (Sverdlovsk) | Metasequoia sp. (22844) | |
Oligocene | USA (Montana) | Metasequoia sp. (23793) | |
Late/Upper Oligocene - Late/Upper Eocene | USA (Oregon) | Metasequoia occidentalis (35921) | |
Miocene - Oligocene | USA (Montana) | Metasequoia occidentalis (23975) | |
Early/Lower Miocene | Russian Federation (Tomsk) | Metasequoia sp. (23906 23907 23908) | |
Early/Lower Miocene - Middle Miocene | China (Jilin) | Metasequoia disticha (223816) | |
Miocene | USA (Montana) | Metasequoia occidentalis (22933 23973) | |
Miocene | China (Zhejiang) | Metasequoia disticha (224041) | |
Miocene | Japan (Aichi) | Metasequoia disticha (22820) | |
Miocene | Japan (Gifu) | Metasequoia occidentalis (222791) | |
Miocene - Pliocene | Japan (Gunma) | Metasequoia occidentalis (22786) | |
Miocene - Pliocene | Japan (Nagano) | Metasequoia occidentalis (22796) | |
Langhian - Messinian | Japan (Hirakata) | Metasequoia occidentalis (22739 22740 22742 22744 22750 22751 22752 22754) | |
Tortonian - Messinian | Japan (Gunma) | Metasequoia occidentalis (21229 21234 21238 21239 21250 21265 21270) | |
Late/Upper Miocene - Early/Lower Pliocene | Japan (Kouwa-cho) | Metasequoia disticha (22827) | |
Piacenzian | Japan (Niigata) | Metasequoia disticha (101021) |