science

Paleobiota of the Green River Formation

Paleobiota of the Green River Formation is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Paleobiota of the Green River Formation rather than just read about it. In short: The Green River Formation is a geological formation located in the Intermountain West of the United States, in the states of Colorado, Utah, and Wyoming. It comprises sediments deposited during the Early Eocene in a series of large freshwater lakes: Lake Gosiute, Lake Uinta, and Fossil Lake (the last containing Fossil Butte National Monument).

Key takeaways

Paleobiota of the Green River Formation belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Paleobiota of the Green River Formation to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Paleobiota of the Green River Formation from memory before moving on to harder problems.

Reference excerpt

The Green River Formation is a geological formation located in the Intermountain West of the United States, in the states of Colorado, Utah, and Wyoming. It comprises sediments deposited during the Early Eocene in a series of large freshwater lakes: Lake Gosiute, Lake Uinta, and Fossil Lake (the last containing Fossil Butte National Monument). It preserves a high diversity of freshwater fish, birds, reptiles, and mammals, with some sections of the formation (including Fossil Lake and the Parachute Creek member of Lake Uinta) qualifying as Konservat-Lagerstätten due to their extremely well-preserved fossils.

Cartilaginous fish

Bony fish Primarily based on Grande (2001), with changes where necessary:

Acipenseriformes

Lepisosteiformes

Amiiformes

Hiodontiformes

Osteoglossiformes

Ellimmichthyiformes

Clupeiformes

Gonorynchiformes

Cypriniformes

Siluriformes

Salmoniformes

Percopsiformes

Carangiformes

Acanthuriformes

Incertae sedis

Amphibians

Frogs

Salamanders

Reptiles

Squamates

Crocodilians

Turtles

Birds

Lithornithiformes

Anseriformes

Galliformes

Coliiformes

Leptosomiformes

Coraciiformes

Piciformes

Strisores

Musophagiformes

Mirandornithes

Suliformes

Pelecaniformes

Charadriiformes

Gruiformes

Eufalconimorphae

Neoaves incertae sedis

Two other genera, "Eoeurypyga" (a stem-sunbittern) and "Wyomingcypselus" (an early apodiform) are mentioned only in a 2002 dissertation, and are presently nomina nuda.

Avian ichnofossils

Mammals Partially based on Grande (1984). Aside from the few well-preserved mammals found in Fossil Lake, a majority of Green River mammals are based on isolated bones and teeth:

Metatheria

Cimolesta

Chiroptera

Eulipotyphla

Pan-Carnivora

Paraxonia

Pan-Perissodactyla

Apatotheria

Rodentia

Primatomorpha

Arthropoda

Arachnida

Acariformes

Araneae

Parasitiformes

Scorpiones

Crustacea

Branchiopoda

Decapods

Ostracoda

Myriapoda

Insecta

Coleoptera

Adephaga

Elateriformia

Polyphaga - Bostrichiformia

Polyphaga - Cucujiformia

Polyphaga - Scarabaeiformia

Polyphaga - Staphyliniformia

Dictyoptera

Diptera

Hemiptera

Hymenoptera

Lepidoptera

Mantodea

Megaloptera

Neuroptera

Raphidioptera

Odonata Primarily based on Bechly et al (2020):

Orthoptera

Psocodea

Strepsiptera

Thysanoptera

Trichoptera

Mollusks Based on Grande (1984):

Bivalvia

Gastropoda

Fungi

Unicellular microbiota

Cyanobacteria

Algae

Charophytes

Euglenozoans

Amoebozoans

Cercozoans

Plants

Liverworts

Lycophytes

Ferns

Cycadalean palynomorphs

Conifers

Conifer palynomorphs

Gnetalean palynomorphs

Magnoliids

Magnoliid palynomorphs

Monocots

Monocot palynomorphs

Ceratophyllales

Eudicots

Basal Eudicots

Superasterids

Superrosids

Eudicot palynomorphs

Angiosperms of uncertain affiliation

Plants of uncertain affiliation

References

Illustrations

Worked examples

Example 1 — a first encounter with Paleobiota of the Green River Formation

Start with the simplest possible case. Write down what Paleobiota of the Green River Formation claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Paleobiota of the Green River Formation before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Paleobiota of the Green River Formation ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Paleobiota of the Green River Formation

In research: Paleobiota of the Green River Formation appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Paleobiota of the Green River Formation in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Paleobiota of the Green River Formation is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cenozoic paleobiotas, Eocene United States, Fossils of the United States, so understanding it makes those chapters shorter.
In everyday life: Look for Paleobiota of the Green River Formation outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Paleobiota of the Green River Formation in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Paleobiota of the Green River Formation means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Paleobiota of the Green River Formation out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Paleobiota of the Green River Formation in simple terms?

Why does Paleobiota of the Green River Formation matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Paleobiota of the Green River Formation?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Paleobiota of the Green River Formation.