Henry Site (Pleistocene of the United States)

Where: Ionia County, Michigan (44.3° N, 85.3° W: paleocoordinates 44.3° N, 85.3° W)

• coordinate estimated from map

When: Late/Upper Pleistocene (0.1 - 0.0 Ma)

Environment/lithology: mire or swamp; marl

• probably a bog burial
• shelly marl

Size classes: macrofossils, microfossils

Preservation: original phosphate, anthropogenic

Primary reference: J. A. Holman, D. C. Fisher, and R. O. Kapp. 1986. Recent discoveries of fossil vertebrates in the lower peninsula of Michigan. Michigan Academician 18(3):431-463 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 63218: authorized by Mark Uhen, entered by Mark Uhen on 09.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Percentages are for the percent pollen spectra, not percent of all taxa on the list. Total percent pollen spectra reported < 100%.
Show authors, comments, and common names
unclassified
  -
Ambrosia sp., Cupressacea indet.
Cupressacea indet.
plus Taxacea
Angiospermae
 Fagales - Betulaceae
Betula sp.
Betula sp. Linnaeus 1753 birch
 Fagales - Fagaceae
Quercus sp.
Quercus sp. Linnaeus 1753 oak
 Poales - Cyperaceae
Cyperaceae indet.
Cyperaceae indet. Jussieu 1789 sedge
 Poales - Poaceae
"Gramineae indet." = Poaceae
"Gramineae indet." = Poaceae Barnhart 1895 true grass
 Asterales - Asteraceae
Artemisia sp.
Artemisia sp. Linnaeus 1753 daisy
Pinopsida
 Pinales - Pinaceae
Pinus sp., Larix sp., Picea sp.
Pinus sp. Linnaeus 1753 pine
Larix sp. Miller 1768 larch
Picea sp. Dietrich 1824 spruce
Lycopodiopsida
 Selaginellales - Selaginellaceae
Selaginella sp.
Selaginella sp. Beauvois 1804 spikemoss
unclassified
  -
Pteridophyta indet.
Pteridophyta indet. Haeckel 1875
Mammalia
 Proboscidea - Elephantidae
"Mammuthus jeffersoni" = Mammuthus columbi
"Mammuthus jeffersoni" = Mammuthus columbi Falconer 1857 Columbian mammoth