Phylum Coelenterata,
Class Anthozoa
- rugose 'horn corals' of the sub-class Tetracorallia: Solitary Tetracorals
Initial identification (based on external features - no sectioning was done)of 120 specimens from Rockford from various field trips. I.D. is from Fenton & Fenton 1924. White labels are 9 cm wide. 2 specimens on 3rd label down from upper right hand corner are unidentified. Largest specimen (T. ponderosa) is 7.8 cm long.
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