Is this tooth a fossil or a modern animal?

I found this tooth in a creek bed where I have found arrow heads and mini balls and am curious to know what it is.

Fossil Collector: Rob Q

Location: Vicksburg, MS

[We get a great many pictures of large mammal teeth sent in to My Fossil Find. Most turn out to be the teeth of modern cattle, but they always generate great interest because of their size so we will post another. This one appears wider than most. What do you think? Ice Age animal or modern mammal? Please leave a response.]

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My Fossil Find gets many submissions that we cannot identify or that are curious and interesting, but not fossils. We try to let senders know about the ones we are certain are not fossils, others are more vexing. We will try to catch up on a few of those here before we run out of 2012.  If you can identify any of these discoveries, please leave a response and help us out.

Cincinatti fossil discoveryI Found this fossil about 50 years ago in southern Ohio. It is approximately 7″ long. Have kept it all these years and always assumed it was some sort of animal. but I guess it could also be an ancient plant of some type. I would like to know if anyone can positively identify it for me.

Fossil Collector: MarkS

Location: Cincinnati, Ohio

Marine Mammal ear bone

Beach find 2011

[Editor's note: We do know that this one is the ear bone of a modern marine mammal such as a dolphin or seal. An interesting find regardless and we post it here because they are a fairly common find both modern and fossil and of interest to collectors looking to identify their find.]

Fossil Collector: catzeyezuk

Location: Overstrand beach, Norfolk Coast, United Kingdom

Unknown fossil

Not Horn Coral? Found in Sycamore Creek looking for silt concretions.

Fossil Collector: RB

Location: Remington, Ohio

Stange Ohio stone?

Worm trails?

Fossil Collector: RB

Location: Little Miami River, Love land, Ohio

Fossil mammal jaw?

Tiny Jaw Bone with flat teeth. What type of animal was this?

[Editor's note: Wissahickon Creek's geology is not known for fossils, but the shape of this is similar to a small mammal jaw. It could be just an oddly shaped rock or even an ice age or modern mammal.]

Fossil Collector: Kramchris

Location: Wissahickon Creek, Philadelphia, Pennsylvania

Possible gastropod

Possible gastropod? Looks like a cashew or one of my dogs claws.

Fossil Collector: ECHanson

Location: Mississippi

Serpentine rock?I I keep finding this type of fossil.  Sometimes on the shore of Lake Michigan, other times just in my landscaping rocks.

Fossil Collector: NikkiL

Location: Lower Michigan

 Odd concretion?

Turtle-like stone. Odd concretion?

Fossil Collector:  mke

Location: Genesee County, Michigan

Thank you everyone. We love seeing your finds and best wishes for 2013 from My Fossil Find!

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