A genus of fossil squid or cephalopod creatures with remnants of shells, found in ancient rock layers.
From Greek 'geo-' (earth) + 'teuthis' (squid). This scientific name was created in the 19th century to classify fossilized squid remains found in sedimentary rocks.
When paleontologists find fossilized squid, they're looking at creatures that lived millions of years ago—Geoteuthis specimens help scientists understand how ocean life evolved. These ancient squid had shells that turned into stone, and studying them reveals what prehistoric oceans were like!
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