Definition of Archaeocyathan. Meaning of Archaeocyathan. Synonyms of Archaeocyathan

- Today, the archaeocyathan families are recognizable by small but consistent differences in their fossilized structures: Some archaeocyathans were built...
- annelids, echinoderms, hemichordates and chordates) appear. Reef-building archaeocyathan sponges initially abundant, then vanish. Stromatolites replace them...
- Baltica. Much of the continent was covered by shallow seas with extensive archaeocyathan reefs. The then northern third of the continent (present day south;...
- stem-hexactinellid Helicolocellus from the Dengying Formation and the possible stem-archaeocyathan Arimasia from the Nama Group. These genera are both from the "Nama ****emblage"...
- old, A. germsi has been identified as possibly being the oldest known archaeocyathan to date. Its fossil material was found between 1993 and 1996 from the...
- Sekwicyathus is a genus of Archaeocyathan poriferan. Archaeocyaths are a taxon of extinct organism that lived in warm, tropical waters during the Early...
- S****lines". {{cite journal}}: Cite journal requires |journal= (help) "Archaeocyathans". ucmp.berkeley.edu. Retrieved 2024-04-20. Pruss, Sara B.; Bottjer...
- nematode Velella velella — by-the-wind-sailor Yukonensis yukonensis — an archaeocyathan Abutilon abutiloides — shrubby Indian mallow Araucaria araucana — monkey...
- to Botomian). Cribricyatha were cup-shaped filter feeders similar to archaeocyathan sponges, with a skeleton composed of magnesium-rich calcite microgranules...
- invertebrates. Cone-shaped archaeocyathids/archeocyathids; cup-shaped archaeocyathans/archeocyathans; reef-building pleosponges; calcareous "ancient-cups"...