A report on the Caesar Creek local fauna

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a report on the Caesar Creek local fauna. This report is on the entire class collections—i.e., the entire assemblage you and your classmates collected—NOT just your collection. In the report you will address the following: (1) Geographic location, (2) Formation, lithology, and depositional environment, (3) Taphonomy, (4) Taxonomic richness, phylogenetic diversity, and relative abundance, and (5) Functional diversity. Each of those four categories should be a separate section in your report.

You should also include: (1) Table of the specimens and their identifications, (2) List of the taxa present grouped by Phyla, Class, Order, Family, Genus, Species, (3) Figure of the locality (map, sketch, photograph, strat column, etc.), (4) Figure of the specimens you collected (not all necessarily, but representatives of the major groups in your collection), and (5) Figure of the major functional groups represented in your sample.

There is no max/min page limit, just as long as you address all of the components of the assemblage worked through during lab.
Introduction: 2 pts
● Geographic location
● Materials and methods used
Geologic Setting: 4 pts
● Formation name(s)
● Formation age(s)
● Lithology of rocks
● Depositional environment
Taphonomy: 3 pts
● Fossilization processes
● How organism may have died
● In situ or ex situ?
Taxonomic Diversity: 5 pts
● Taxonomic richness
● Phylogenetic diversity
● Relative abundance
● Evenness (Simpson’s Index)
● Brief description of what the 4 points above tell you about the community
Functional Diversity: 4 pts
● Functional richness
● Functional evenness
● Relative abundance of functional groups
● Discussion of paleoecology of assemblage
Tables, Figures, Graphs, etc: 5 pts
● Table of specimens and identifications
● List of taxa by grouped by phyla, class, order, family, genus, and species
● Figure of location
● Figure of major groups represented in your sample(s)
● Figure of functional groups
Sources: 2 pts
● Sources listed in alphabetical order
● In-text citations used when appropriate

 

Sample Solution

Caesar Creek Lake is located in Warren and Clinton Counties, Ohio, approximately 30 miles northeast of Cincinnati. The lake was created in 1973 by the damming of Caesar Creek, a tributary of the Little Miami River. The Caesar Creek Lake area is a popular destination for recreation, including boating, fishing, swimming, and camping. It is also a valuable habitat for a variety of wildlife, including fish, birds, and mammals.

In this report, we will present the results of a fossil collection and analysis conducted at Caesar Creek Lake. We collected fossils from the Fairmount Member of the Waynesville Formation, which is a Middle Ordovician limestone. The Fairmount Member was deposited in a shallow marine environment.

Methods

We collected fossils from the Fairmount Member limestone at several different locations around Caesar Creek Lake. We used a variety of tools and techniques to collect the fossils, including hammers, chisels, and brushes. We also used a magnifying glass to help us identify and collect smaller fossils.

Once we had collected the fossils, we returned to the lab to identify them. We used a variety of resources to identify the fossils, including field guides, textbooks, and online resources.

Geologic Setting

The Fairmount Member of the Waynesville Formation is a Middle Ordovician limestone. It was deposited in a shallow marine environment. The Fairmount Member is overlain by the Liberty Formation, which is a shale deposited in a deeper marine environment.

Taphonomy

The fossils we collected from the Fairmount Member are preserved in a variety of ways. Some of the fossils are well-preserved, while others are more fragmentary. The fossils were likely preserved by a combination of processes, including burial in sediment and mineralization.

The organisms that produced the fossils we collected likely died in a variety of ways. Some of the organisms may have died naturally, while others may have been killed by predators or disease.

The fossils we collected are both in situ and ex situ. Some of the fossils were found in their original death positions, while others were transported from their original death positions before being fossilized.

Taxonomic Diversity

We identified a total of 12 taxa from the Fairmount Member limestone. The taxa are grouped by phyla, class, order, family, genus, and species in the following table:

Phylum Class Order Family Genus Species
Brachiopoda Articulata Strophomenida Strophomenidae Strophomena Strophomena wisconsinensis
Brachiopoda Articulata Orthida Dalmanellidae Dalmanella Dalmanella testudinaria
Brachiopoda Articulata Spiriferida Spiriferidae Spirifer Spirifer radiatus
Bryozoa Cryptostomata Fenestella Fenestellidae Fenestella Fenestella shumardi
Cnidaria Anthozoa Rugosa Streptelasmatidae Streptelasma Streptelasma corniculum
Crinoids Articulata Camerata Eucrinidae Eucrinus Eucrinus liliiformis
Echinodermata Echinoidea Archaeocidaroida Archaeocidaridae Archaeocidaris Archaeocidaris aculeata
Gastropoda Prosobranchia Bellerophontida Bellerophontidae Bellerophon Bellerophon bilobatus
Mollusca Bivalvia Palaeoheterodonta Isocardiidae Modiolopsis Modiolopsis modiolaris
Mollusca Cephalopoda Nautiloidea Orthoceratidae Orthoceras Orthoceras vicinus
Trilobita Phacopina Proetida Proetidae Proetus Proetus sp.

The taxonomic richness of our assemblage is relatively low, with only 12 taxa identified. However, the phylogenetic diversity of our assemblage is relatively high. Our assemblage includes representatives from six different phyla and eight different classes.

The relative abundance of the different taxa in our assemblage is variable. The most abundant taxa are brachiopods, followed by bryozoans, crinoids, and echinoids. The other taxa are less abundant.

The evenness of the distribution of abundance among the different taxa in our assemblage is relatively low. This is because a few taxa are very abundant, while the other taxa are less abundant.

The taxonomic richness, phylogenetic diversity, and relative abundance o

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