Holotype:
Slide 740, specimen JA2715, Johnson Collection, Colorado School of Mines
Valid publication:
Johnson JH. Lime-secreting algae from the Pennsylvanian and Permian of Kansas. Geological Society of America Bulletin 1946; 57:1087-1120.
Nomenclatural status:
validly published under the ICN (Botanical Code)
Taxonomic status:
correct name
Notes:
🎓 Name mentioned 0 times in PubMed until 2026-02-03.