Orthothecida Marek, 1966

Selection of related publications
Malinky, J. M., Eriksson, M. E., Ahlberg, P. 2009. ‘Mediterranean Province' hyoliths from the middle Cambrian and Upper Ordovician of Sweden. GFF 131, 4, 281-291. DOI:10.1080/11035890903458693
Dzik, J. 1980. Ontogeny of Bactrotheca and related hyoliths. GFF 102, 3, 223-233. DOI:10.1080/11035898009455162