Acer septilobatum

†Acer septilobatum

Taxonavigation

Taxonavigation: Sapindales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Rosids Cladus: Eurosids II Ordo: Sapindales

Familia: Sapindaceae
Subfamilia: Hippocastanoideae
Tribus: Acereae
Genus: Acer
Section: Acer sect. Platanoidea
Species:†Acer septilobatum

Name

†Acer septilobatum E.Oliv. Publ. Carnegie Inst. Washington, 455(1): 25. 22 Nov 1934

Synonyms

• Pro Parte
  • †Acer alvordensis auct. non Axelrod. Axelrod. 1956 (part). 306. pl. 30, f. 11.
  • †Acer oregonianum auct. non Knowlton. Chaney & Axelrod. 1959 (part). 195. pl. 41 , f. 14.
  • †Acer oregonianum auct. non Knowlton. Axelrod. 1964 (part). 128.
  • †Acer scottiae auct. non MacGinitie. MacGinitie. 1933 (part, nontypic). 62, pI. II , f. 4.
  • †Acer scottiae auct. non MacGinitie. R.W.Brown. 1937a. 514. text- f. 2.
  • †Acer scottiae auct. non MacGinitie. H.V.Smith. 1941 (part). 516. pl. 12, f. 8.
  • †Acer scottiae auct. non MacGinitie. Chaney & Axelrod. 1959 (part). 196. pl. 41 , f. 8, 9.
  • †Acer scottiae auct. non MacGinitie. Axelrod. 1964 (part). 129. pI. 15, f. 3-5.
  • †Acer scottiae auct. non MacGinitie. Axelrod. 1985 . 176. pl.1S , f. 10, II.
  • †Acer nevadensis auct. non Axelrod. Axelrod. 1985 (part, nontypic). 13. pl. 13 , f. 7.

Type material

• Lectotype: UCMP 699 (leaf)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

• ⧼Cotype⧽: UCMP 698 (leaf) 9224 (fruit)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

• ⧼Hypotype⧽: UCMP 606, 615, 700, 3194, 4368-4372, 6665, 8509-8511, 9225, 9227-9229 (leaves) 3217, 6651, 6664, 8477, 8512-8519, 9226 (fruit)
  • Repository: Museum of Paleontology, University of California Berkeley, Berkeley, Alameda County, California, Unites States

• ⧼Hypotype⧽: USNM (leaves) 396220-396225 (fruit)
  • Repository: United States National Museum, Smithsonian Institution, National Mall, Washington DC, United States

• ⧼Hypotype⧽: UMMP 17222, 69165, 69166, 69167 (leaves) 21513, 39714, 69140, 69149 (fruit)
  • Repository: University of Michigan Museum of Paleontology, Ann Arbor, Washtenaw County, Michigan, United States

• ⧼Hypotype⧽: UOCM F33532
  • Repository: Museum of Natural and Cultural History, University of Oregon, Eugene, Lane County, Oregon, United States

Type locality

• Eocene, Latest Eocene-Earliest Oligocene; Christensen Ranch (Becker 32), Powell County, Montana, United States

Etymology

• "Oliver's types of A. septilobatum are seven-lobed, and hence the epithet."

Distribution

Miocene

• Aquitanian-Serravallian
  • Beaverdam Formation; Trapper Creek flora (USGS 9176), Cassia County, Idaho, USA
  • Mascall Formation, Blue Mountains flora; Austin (UCMP 3937); Grant County, Oregon, United States
  • Mascall Formation; Riverbank Locality IV (UCMP P4127); Grant County, Oregon, United States
  • Mascall Formation; Tipton (UCMP 3936, USGS 8169); Baker County, Oregon, United States
• Burdigalian
  • Payette Formation, Idaho City flora; Horseshoe Bend (UCMP P591, USGS 8349), Boise County, Idaho, United States
  • Payette Formation, Idaho City flora; Thorn Creek (UCMP 4600), Boise County, Idaho, United States
• Langhian
  • Butte Creek Volcanic Sandstone; Skull Spring flora (USGS 11795), Malheur County, Oregon, United States
  • Succor Creek Formation; Strode Ranch (UMMP PT-VI), near Nyssa, Malheur County, Oregon, United States
• Langhian-Serravallian (Barstovian NALMA)
  • McLean Formation, Fingerrock Wash Flora; Muller Amphitheater (UCMP PA99), Fingerrock Wash, Mineral County, Nevada, United States
  • Middlegate Formation; Middlegate (UCMP P5101), Churchill County, Nevada, United States
  • Pyramid Formation; Pyramid Lake (PA791), Washoe County, Nevada, United States
• Serravallian
  • Trout Creek Formation; Trout Creek (numerous sites), Trout Creek Mountains, Harney County, Oregon, United States
• Serravallian-Tortonian (Clarendonian NALMA)
  • Sardine Formation; Faraday Dam Flora (USGS 9281), Clackamas County, Oregon, United States
• Tortonian
  • Ellensburg Formation; Kittias Valley (USGS 468), Kittias County, Washington, United States
  • Poison Creek Formation, Weiser Flora; Hog Creek (USGS 8923, UCMP 635), Washington County, Idaho, United States
• "Late Miocene"
  • Thurston Ranch Formation; Thurston Spring site (UCMP 775, "UCMP 5505"), Wine Cup Ranch SW Quadrangle, Elko County, Nevada, United States

References

Primary references

• Oliver, E.S. 1934. A Miocene flora from the Blue Mountains, Oregon. Publications of the Carnegie Institution of Washington 455(1): 1–27, pl. 1-5. https://yadi.sk/i/SGIeWecB3JxHXM. Reference page. 
• Wolfe, J.A. & Tanai, T. 1987. Systematics, Phylogeny, and Distribution of Acer (maples) in the Cenozoic of Western North America. Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy 22(1): 1–246.  PDF Reference page. 

Additional references

• Axelrod, D.I. 1956. Mio-Pliocene floras from west-central Nevada. University of California Publications in Geological Sciences 33: 1–322, pl. 1-32. Reference page. 
• Axelrod, D.I. 1964. The Miocene Trapper Creek flora of Southern Idaho. University of California Publications in Geological Sciences 51: 1–180. ISSN 0068-645X.  Reference page. 
• Axelrod, D.I. 1985. Miocene floras from the Middlegate Basin, West-Central Nevada. University of California Publications in Geological Sciences 129: 1–[280]. ISSN 0068-645X. Reference page. 
• Brown, R.W. 1937. Further additions to some fossil floras of the western United States. Journal of the Washington Academy of Sciences 27: 506–517. ISSN 0043-0439.  BHL Reference page. 
• Chaney, R. & Axelrod, D. 1959. Miocene Floras of the Columbia Plateau: Part II. Systematic Considerations. Carnegie Institution of Washington. pp. 1–226.  HathiTrustReference page. 
• MacGinitie, H.D. 1933. The Trout Creek flora of southeastern Oregon. Publications of the Carnegie Institution of Washington 416: 21–68, pl. 1-16. HathiTrustReference page. 
• Smith, H.V. 1941. A Miocene flora from Thorn Creek, Idaho. American Midland Naturalist 25(3): 473–522. JSTORReference page. 

Links

• IFPNI International Editorial Board 2014–2026. The International Fossil Plant Names Index. Acer septilobatum. Published online. Accessed: 2026 January 20.