Definition of Orthothecid. Meaning of Orthothecid. Synonyms of Orthothecid

- The orthothecids are one of the two hyolith orders. Marek diagnoses the order thus: Conchs with a flat or concave ventral surface — opercula with large...
- probably aragonitic All of these structures grew by marginal accretion. The orthothecid s**** has an internal layer with a microstructure of transverse bundles...
- Bactrotheca is an extinct genus of orthothecid hyolith with a bulbous "protoconch". DZIK, J. 1980. Ontogeny of Bactrotheca and related hyoliths. GFF,...
- Pedunculotheca is a genus of orthothecid hyolith known from the Chengjiang biota of China, notable for its possession of a pedunculate attachment structure...
- s****y fossil whose affinities are uncertain, generally considered as an orthothecid hyolith (which would make it a brachiopod, but also resembling the ellesmeroceratids...
- Contitheca Costatheca Crestjahitus Crossbitheca Cupitheca Probably an orthothecid Curtitheca Decipilites Decoritheca Devoniotheca Dilites Diplotheca Doescherina...
- insight into the soft anatomy and s**** microstructures of early Cambrian orthothecids (Hyolitha)". Proceedings of the Royal Society B: Biological Sciences...
- Vivianne Berg-Madsen; Martin Valent; Jan Ove R. Ebbestad (2018). "An orthothecid hyolith with a digestive tract from the early Cambrian of Bornholm, Denmark"...
- There are three species of rostroconchs, six species of gastropods, an orthothecid, and even species of monoplacophora for the mollusc. In the Late Cambrian...
- Triplicatella and Hyptiotheca, its designation to the hyolithids or orthothecids is not straightforward, exhibiting as it does a mixture of the characters...