445:
114:
388:
in which the primary veins originate at the base of the lamina and run out towards the margin. The leaves range between three and five-lobed with a length to width ratio of 1:2, giving an overall pentagonal outline. The leaves have three or five primary veins, and at least one specimen is estimated
405:. This is based on the overall leaf shape and long pointed shape of the lobe tips. The combination of morphological characters is noted to be most similar to leaves of the living maple species
612:
333:
is represented by a group of fossil specimens from a number of different geologic formations. The first fossils described were recovered from the
688:
507:
356:. Other fossils have been included in the species from North Korea and Kamchatka, Russia. A single isolated fossil fruit possibly belonging to
668:
625:
480:
663:
658:
113:
683:
389:
to have been 7.2 centimetres (2.8 in) long by 6.0 centimetres (2.4 in) wide in overall dimensions. The samaras of
678:
673:
630:
345:
337:
580:
247:
526:
360:
is known from North
America. The specimen was recovered from the latest Early to early Middle Miocene
555:"Plant megafossil assemblage from the Lower Miocene Ito-o Formation, Fukui Prefecture, Central Japan"
349:
341:
318:
361:
444:
108:
393:
have a nutlet which is flattened asymmetrically and a high attachment angle. The morphology of
554:
418:
353:
219:
151:
519:
Journal of the
Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy
489:
Journal of the
Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy
653:
449:
413:
407:
293:
138:
647:
430:
67:
286:
197:
42:
603:
312:
and is known from Korean fossils and
Miocene sediments exposed in the state of
385:
365:
187:
87:
52:
92:
316:, USA. It is one of several extinct species placed in the living section
597:
344:
of Japan. Fossils have subsequently been recovered from the Late
Miocene
334:
305:
164:
82:
77:
62:
57:
47:
36:
617:
301:
282:
97:
72:
32:
422:
369:
313:
297:
290:
177:
574:
411:, commonly called the redvein or Honshū maple. The fossil species
443:
309:
279:
207:
125:
578:
512:
from the Upper
Miocene in Tottori Prefecture, Western Japan"
587:
485:(maples) in the Cenozoic of Western North America"
562:Memoir of the Fukui Prefectural Dinosaur Museum
481:"Systematics, Phylogeny, and Distribution of
429:by the narrower medial lobe. Paleobotanists
348:in the Tomata District and the Early Miocene
8:
474:
472:
470:
468:
466:
575:
548:
546:
20:
462:
384:are simple in structure with a palmate
525:(4): 577, 578, plate 5. Archived from
7:
631:C73860CA-E55C-40FC-B68B-389255245DE9
495:(1): 23, 74, 75, 240, & plate 4.
300:. The species was described from
289:described from series of isolated
14:
112:
479:Wolfe, J.A.; Tanai, T. (1987).
437:may be a descendant species of
689:Extinct flora of North America
1:
669:Fossil taxa described in 1961
506:Tanai, T.; Ozaki, K. (1977).
433:and Toshimasa Tanai suggest
397:suggests placement into the
386:actinodromous vein structure
705:
326:History and classification
253:
246:
109:Scientific classification
107:
23:
664:Plants described in 1961
425:is distinguishable from
16:Extinct species of maple
659:Prehistoric angiosperms
239:A. palaeorufinerve
454:
308:aged fossils found in
684:Extinct flora of Asia
447:
346:Tatsumitoge Formation
338:Ningyo-toge Formation
589:Acer palaeorufinerve
331:Acer palaeorufinerve
275:Acer palaeorufinerve
260:Acer palaeorufinerve
25:Acer palaeorufinerve
455:
439:A. palaeorufinerve
427:A. palaeorufinerve
395:A. palaeorufinerve
391:A. palaeorufinerve
382:A. palaeorufinerve
358:A. palaeorufinerve
641:
640:
581:Taxon identifiers
553:Yabe, A. (2008).
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531:
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419:Washington state
354:Fukui Prefecture
266:Tanai & Onoe
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117:
116:
102:
39:
29:Temporal range:
21:
704:
703:
699:
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695:
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679:Flora of Alaska
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350:Ito-o Formation
342:Tomata District
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31:
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27:
17:
12:
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5:
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674:Miocene plants
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622:
609:
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585:
584:
579:
572:
571:
542:
498:
461:
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456:
450:Acer rufinerve
408:Acer rufinerve
377:
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362:Seldovia Point
327:
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285:in the family
278:is an extinct
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532:on 2016-03-04
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431:Jack A. Wolfe
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364:flora in the
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248:Binomial name
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139:Tracheophytes
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534:. Retrieved
527:the original
522:
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509:
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492:
488:
482:
448:
438:
434:
426:
414:A. latahense
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259:
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220:
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171:
158:
145:
132:
24:
18:
508:"The genus
435:A latahense
376:Description
287:Sapindaceae
198:Sapindaceae
152:Angiosperms
648:Categories
536:2012-12-12
458:References
380:Leaves of
368:region of
366:Cook Inlet
188:Sapindales
403:Macrantha
319:Macrantha
232:Species:
225:Macrantha
216:Section:
122:Kingdom:
618:11464072
604:Q4673167
598:Wikidata
401:section
335:Pliocene
306:Pliocene
194:Family:
165:Eudicots
37:Pliocene
568:: 1–24.
352:in the
340:in the
302:Miocene
294:samaras
283:species
257:†
236:†
204:Genus:
184:Order:
126:Plantae
33:Miocene
423:Oregon
370:Alaska
314:Alaska
298:leaves
291:fossil
178:Rosids
654:Maple
626:IFPNI
558:(PDF)
530:(PDF)
515:(PDF)
417:from
310:Japan
280:maple
223:sect.
221:Acer
172:Clade
159:Clade
146:Clade
133:Clade
613:GBIF
510:Acer
483:Acer
453:leaf
421:and
399:Acer
296:and
209:Acer
43:PreꞒ
304:to
650::
628::
615::
600::
564:.
560:.
545:^
523:17
521:.
517:.
493:22
491:.
487:.
465:^
441:.
372:.
322:.
174::
161::
148::
135::
93:Pg
566:7
539:.
98:N
88:K
83:J
78:T
73:P
68:C
63:D
58:S
53:O
48:Ꞓ
35:-
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
