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Dicotylophyllum
Taxonomy
Dicotylophyllum was named by Saporta (1894). It is extant. Its type is Dicotylophyllum cerciforme.
It was assigned to Dicotyledoneae by Hickey (1977); to Dicotyledonae by Srivastava (1991); and to Magnoliopsida by Upchurch and Dilcher (1990), Upchurch et al. (1994) and Jud (2011).
It was assigned to Dicotyledoneae by Hickey (1977); to Dicotyledonae by Srivastava (1991); and to Magnoliopsida by Upchurch and Dilcher (1990), Upchurch et al. (1994) and Jud (2011).
Species
D. agashi, D. aliquantuliserratum, D. angularis, D. anomalum, D. cerciforme (type species), D. chitalii, D. cordatum, D. dioscoreoides, D. disputabilis, D. elegans, D. expansolobum, D. hamameloides, D. hansonium, D. hebronensis, D. lesquereuxii (syn. Acer indivisum), D. lobata (syn. Acer arida), D. mercerensis, D. myrtophylloides, D. oblongatum, D. ovatodecurrens, D. panandhroensis, D. patilii, D. pinnatifidum, D. quadrinervatum, D. rosafluviatilis, D. silberlingi, D. silberlingii, D. trilobum (syn. Acer newberryi), D. visibilis
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Dicotylophyllum Saporta |
| 1973 | Dicotylophyllum agashi Sheikh |
| 1973 | Dicotylophyllum chitalii Sheikh |
| 1973 | Dicotylophyllum patilii Sheikh |
| 1977 | Dicotylophyllum Hickey |
| 1990 | Dicotylophyllum Upchurch and Dilcher |
| 1991 | Dicotylophyllum Srivastava |
| 1994 | Dicotylophyllum Upchurch et al. |
| 2011 | Dicotylophyllum Jud |
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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. Dicotylophyllum Saporta 1894
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†Dicotylophyllum aliquantuliserratum Upchurch and Dilcher 1990
†Dicotylophyllum angularis Upchurch and Dilcher 1990
†Dicotylophyllum anomalum Ward 1887
†Dicotylophyllum cerciforme Saporta 1894
†Dicotylophyllum cordatum Lakhanpal and Guleria 1981
†Dicotylophyllum dioscoreoides Singh and Prakash 1980
†Dicotylophyllum disputabilis Hollick 1936
†Dicotylophyllum elegans Li 1994
†Dicotylophyllum expansolobum Upchurch and Dilcher 1990
†Dicotylophyllum hamameloides Hickey 1977
†Dicotylophyllum hansonium Peppe and Hickey 2014
†Dicotylophyllum hebronensis Hickey 1977
†Dicotylophyllum lesquereuxii Knowlton 1898
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Invalid names: Acer indivisum Lesquereux 1883 [synonym]
†Dicotylophyllum mercerensis Hickey 1977
†Dicotylophyllum myrtophylloides Upchurch and Dilcher 1990
†Dicotylophyllum oblongatum Hickey 1977
†Dicotylophyllum ovatodecurrens Upchurch et al. 1994
†Dicotylophyllum panandhroensis Lakhanpal and Guleria 1981
†Dicotylophyllum pinnatifidum Reid and Chandler 1926
†Dicotylophyllum quadrinervatum Lakhanpal and Guleria 1981
†Dicotylophyllum rosafluviatilis Upchurch and Dilcher 1990
†Dicotylophyllum silberlingi Brown 1962
†Dicotylophyllum silberlingii Wolfe and Tanai 1987
†Dicotylophyllum visibilis Hollick 1936
Invalid names: Dicotylophyllum agashi Sheikh 1973 [nomen nudum], Dicotylophyllum chitalii Sheikh 1973 [nomen nudum], Dicotylophyllum patilii Sheikh 1973 [nomen nudum]
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 Albian to the top of the Langhian or 112.03000 to 13.82000 Ma
Minimum age of oldest fossil (stem group age): 109.0 Ma
Minimum age of oldest fossil (stem group age): 109.0 Ma
Collections (89 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Albian - Cenomanian | USA (Alaska) | D. spp. (34390) | |
| Albian - Cenomanian | Russian Federation | D. sp. (34793 34796 34799 34801) D. sp. A (34800) D. sp., D. sp. B (34794) | |
| Early/Lower Albian | USA (Virginia) | D. sp. 1, D. sp. 2, D. sp. 3, D. sp. 4, D. ovatodecurrens (20897) | |
| Late/Upper Albian - Cretaceous | Antarctica | D. lobatus (32473) | |
| Early/Lower Cenomanian | Canada (British Columbia) | D. sp. 1 (31886) | |
| Early/Lower Cenomanian - Middle Cenomanian | USA (Nebraska) | D. angularis, D. myrtophylloides, D. rosafluviatilis, D. aliquantuliserratum, D. expansolobum (20815) | |
| Late/Upper Turonian | Armenia (Vayots Dzor) | D. sp. (92185) | |
| Coniacian - Campanian | Canada (British Columbia) | D. sp. (35189 35209) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Antarctica | D. sp. (150237) D. sp. 3, D. elegans (150273) | |
| Late/Upper Campanian - Maastrichtian | Antarctica | D. sp. 2, D. sp. 3, D. sp. 1, D. sp. 10, D. sp. 8, D. sp. 9, D. sp., D. elegans (150274) | |
| Lancian | USA (North Dakota) | D. anomalum (25414 25422 25445 25465 25468 25472 25475 25476 25498 48191 48268 48269 48271) | |
| Puercan | USA (North Dakota) | D. anomalum (25004 25006 25010 25012 25026 25423 25446 25451 25453 25459 25464 25466 25469 25470 48177 48178 48180) | |
| Puercan | USA (Wyoming) | D. anomalum (11401) | |
| Paleocene | USA (Wyoming) | Acer newberryi (40825) | |
| Paleocene | USA (Montana) | Acer newberryi (40098 53959) Acer silberlingi (40932) | |
| Paleocene | Canada (Saskatchewan) | D. anomalum (34417 34419 34420 34421 34422 34424 34428 34431) | |
| Paleogene | India (Madhya Pradesh) | D. sp., D. agashi, D. chitalii, D. patilii (224606) | |
| Torrejonian | USA (North Dakota) | D. anomalum (24954 24962 24965) | |
| Clarkforkian | USA (North Dakota) | D. anomalum (10968) D. anomalum, D. mercerensis (10810) D. oblongatum (10970) | |
| Clarkforkian | USA (Wyoming) | D. mercerensis (11377 11380 11420) | |
| Eocene | USA (Washington) | D. kummerensis (22993) | |
| Eocene | Antarctica (King George Island) | D. corifolium, D. sp. (34143) | |
| Wasatchian | USA (North Dakota) | D. hamameloides, D. hebronensis (10807) | |
| Early/Lower Eocene | India (Gujarat) | D. cordatum, D. panandhroensis, D. quadrinervatum (227856) | |
| Bartonian | United Kingdom (England) | D. pinnatifidum (24109) | |
| Priabonian | USA (Washington) | D. kummerensis (10744 21223 22890 22895 22901 22905 22966 23001) | |
| Rupelian | Germany (Baden-Württemberg) | D. sp. (68021) | |
| Rupelian | Czech Republic | D. sp. 1, D. sp. 2, D. sp. 3, D. sp. 4, D. sp. 5, D. sp. 6, D. sp. 7, D. sp. 8, D. sp. 9, D. sp. 10, D. sp. 11, D. sp. 12, D. sp. 13, D. sp. 14, D. sp. 15, D. sp. 16, D. sp. 17 (31643) | |
| Rupelian - Chattian | Germany (Saxony) | D. sp.1 (24922) | |
| Neogene | India (Arunachal Pradesh) | D. dioscoreoides (227920) | |
| Hemingfordian - Barstovian | USA (California) | Fremontia lobata (19206) | |
| Langhian | Germany (Brandenburg) | Acer indivisum (23344) |