Title: PRELIMINARY ANALYSIS OF THE BIODIVERSITY OF THE BONNER SPRINGS SHALE LAGERSTTTEN, PARKVILLE, MO' Sco
1PRELIMINARY ANALYSIS OF THE BIODIVERSITY OF
THE BONNER SPRINGS SHALE (LAGERSTÄTTEN?),
PARKVILLE, MO. Scott A. Hageman 1Tim
Northcutt 2Brian L. Hoffman 1 1 Department of
Natural and Physical Sciences, Park University.
2 Mission, Kansas (fslcache_at_hotmail.com)
2Park University
Bonner Springs Shale
Farley Limestone
Island Creek Shale
Bonner Springs Shale
Farley Limestone
Island Creek Shale
Argentine Limestone
Argentine Limestone
3Characteristics of the Bonner Springs Shale
- Upper Pennsylvanian (Kansas City Group)
- Variable Thickness
- Sandy-Silt composition
- (alternating)
- Blocky Weathering
- Fluvial Influence
- Fossils (Plants)
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4Park University Bonner Springs Shale
- Average thickness in Kansas is about 20 feet (6
m) but ranges from 1- 60 feet (19 m).
Fluvial deposits
( Zeller, 1968)
5The Flora
- FERNS SEED FERNSAlethopterisAlloiopterisAphle
biaAsterotheca - NeuropterisOdontopteris brardii
- Pecopteris
- Sphenophyllum
- Sphenopteris
- CORDAITES
- Cordaites
- ARTICULATES (Sphenopsids)
- Calamites (Annularia and Asterophyllites)
- LYCOPOD
- Asolanus
- Lepidophylloides
- Lepidostrobus
- Lepidostrobophyllum
- SEEDS
6Ferns and Seed Ferns
Asterotheca
Alloiopteris
Sphenopteris
Pecopteris
7Ferns and Seed Ferns
Sphenophyllum
Aphlebia
Odontopteris brardii
8(No Transcript)
9Calamites
cones
10Annularia
Asterophyllites
Asterophyllites
11Seeds
Trigonocarp (seed cast)part and counterpart
Cardiocarpus
12Lycopods
Asolanus
Lepidostrobus
13Jarmila Kukalova-Peck
14Insects
- Order Plecoptera (stonefly)
- Order Blattodea (cockroaches)
- Family Spiloblattinidae Handlirsch, 1906
- Family Archimylacridae Handlirsch, 1906
-
- Order Paleodictyoptera (most primitive winged
insects)
15Order Plecoptera (Stonefly)
cm
Angular Low light
16Family Archimylacridae
(mm)
Part and Counterpart
17Family Archimylacridae
18Sysciophlebia
Part and Counterpart
19Sysciophlebia dohrni (Scudder, 1879)
Sysciophlebia sp.?
Schneider Werneburg, 2006)
20Wings
Sysciophlebia fragment
Sysciophlebia
Sysciophlebia
Paleodictyoptera ?
21Part and Counterpart
22Part and Counterpart
23Paleodictyoptera ?
Part and Counterpart
24Wing vs. Neuropteris Leaf
25Ootheca?
Part and Counterpart
26Ootheca of Modern Roach
Ootheca of Modern Mantis
27Conclusions
- This locality provides the unique opportunity to
reconstruct a Pennsylvanian tropical biome in
terms of the flora and the insect population. - The absents of large tree stumps, roots along
with the alternating layers of sand and silt
suggests vegetation was being rapidly deposited
in a floodplain. - The matting of the leaves along with horizontal
and vertical distributions are all consistent
with the concept that lighter material (leaves)
were being repeatedly deposited into a
floodplain.
28Conclusions continued
- 4. Due to the higher variability on the Bonner
Springs in terms of composition and thickness any
additional information will only help give
geologists a better understanding of facies
changes in the Bonner Springs. - 5. With additional collecting and research the
likelihood of finding additional material that is
remarkable preserved would make the
classification of the locality as a lagerstätten
plausible.
29References
- Jarmila Kukalova-Peck, 1993. Personal
Communication. - Schneider, J.W. and R. Wernebrug, 2006. Insect
biostratigraphy of the Euramerican continental
Late Pennsylvanian and Early Permian. Geological
Society, London, Special Publications 2006 v.
265 p. 325-336 - Krings, M., Klavins, S.D., Taylor, T.N., Taylor,
E.L., Serbet, R. Kerp, H. (2006) Frond
architecture of Odontopteris brardii
(Pteridospermopsida, ?Medullosales) new evidence
from the Upper Pennsylvanian of Missouri, U.S.A.
- J. Torrey Bot. Soc., 133 33-45. - Zeller, D. E., 1968. The Stratigrahic Succession
in Kansas. KGS Bulletin 189.