Coiled Chambered Shell

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Goniatites are extinct ammonoids, shelled cephalopods related to squid, octopus, and belemnites, that form the order Goniatitida. The goniatites all possessed an external shell, which is divided internally into chambers. The animal lived in the largest of the external chambers, and the internal chambers would have been filled with gas, making the animal buoyant in the water.


Winchell, Alexander Sketches of Creation (New York, NY: Harper & Brothers, 1870)


TIFF (full resolution)

2400×1889, 2.2 MiB

Large GIF

1024×805, 257.5 KiB

Medium GIF

640×503, 117.9 KiB

Small GIF

320×251, 35.1 KiB