Hyolitha

Circothecidae Missarzhevsky, 1969

Selection of related publications
Berg-Madsen, V., Valent, M., Ebbestad, J. O. R. 2018. An orthothecid hyolith with a digestive tract from the early Cambrian of Bornholm, Denmark. GFF 140, 1, 25-37. DOI:10.1080/11035897.2018.1432680