https://biocollections.ars.usda.gov/taxa/index.php?tid=208941
USDA ARS Biocollections - Siphula ceratites
usdaarsbiocollections
https://www.merriam-webster.com/dictionary/Ceratites
CERATITES Definition & Meaning - Merriam-Webster
The meaning of CERATITES is a genus (the type of the large family Ceratitidae) of Triassic ammonites having the septa with simple rounded saddles and finely...
definitionmeaningmerriamwebster
https://species.wikimedia.org/wiki/Ceratites_(Ceratitidae)
Ceratites (Ceratitidae) - Wikispecies
wikispecies