Geobulletin alpha

Macropleura macropleura brachiopod from the Kalkberg formation of New York 

If I may paraphrase the song "New York, New York" by Gerard Kenny, Macropleura is a brachiopod so nice, they named it twice! Macropleura macropleura is a large brachiopod and hard to mistake for something else in the Kalkberg formation. I've found similar specimens from the Licking Creek formation of  Virginia but there they were silicified. Despite its large size, I've yet to find any whole, articulated specimens. The specimens below both appear to be pedicle valves. They have thick, [...]