What is "ceratitidae"

Ceratitidae is an extinct family of ammonite cephalopods.

Fossils of Ceratitidae are found in the Triassic marine strata throughout the world, including Afghanistan, Austria, Bulgaria, Cambodia, Canada, China, Croatia, France, Germany, Hungary, India, Iran, Israel, Italy, Japan, Laos, Malaysia, Mexico, Pakistan, Papua New Guinea, Poland, Russia, Serbia and Montenegro, Switzerland, Thailand, Turkey, United States and Vietnam.