PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Quercus obtusa

Angiospermae - Fagales - Fagaceae

Taxonomy

Quercus obtusa was named by Knowlton (1926). It is not extant. Its type locality is Cut No. 1, Spokane, Portland & Seattle Railway, which is in a Miocene fluvial shale in the Latah Formation of Washington.

Sister species lacking formal opinion data

Q. bilobata, Q. castormontis, Q. cuneatus, Q. decora, Q. greenlandica, Q. haynesii, Q. lianghensis, Q. moyei, Q. nerifolia, Q. parachampionii, Q. parvula, Q. pasadorii, Q. perdayana, Q. petros, Q. preturbinella, Q. pubescens, Q. senescens, Q. snookensis, Q. sundaica, Q. uglowi

Synonymy list

Year	Name and author
1926	Quercus obtusa Knowlton

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Rank	Name	Author
kingdom	Plantae
phylum	Spermatophyta
class	Angiospermae
—	Rosids
—	Eurosids

Rank	Name	Author
—	Fabid
order	Fagales
family	Fagaceae
genus	Quercus
species	obtusa

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.

†Quercus obtusa Knowlton 1926

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Diagnosis

No diagnoses are available

Measurements

No measurements are available

Diet:

"photoautotroph"p

Created:

2011-07-22 00:04:15

Modified:

2011-07-21 09:04:15

Source: p = phylum

Reference: Kiessling 2009

Age range: Miocene or 23.03000 to 5.33300 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Miocene	23.03 - 5.333	USA (Washington)	Quercus obtusa (type locality: 224391)