fossil
brachiopod
Brachiopoda
The tell
A brachiopod is symmetrical down the middle of EACH shell, and the two shells are different sizes. A clam is the other way round: each shell is lopsided, and the pair mirror each other.
Once you see that rule you cannot unsee it, and it settles almost every argument in the comments.
What it gets mistaken for
- gastropod
- clam
- cockle
The facts
- also calledBrachiopoda
- age~380 million yrs
- where it turns upAlpena to Traverse ยท statewide in gravel
- on the chartfossil · 500 stickers ever
Put it on the shelf
Every stone on this chart is drawn and kiss-cut at three inches. The rarer the stone, the fewer exist: only 500 brachiopod will ever be printed, then the run is retired.
10% of every order goes to the Roscommon County Animal Shelter.