Initially described as a cyclozoan jellyfish. The Ediacaran genera Ediacaria, Cyclomedusa, and Spriggia may be ... [details]
The Ediacaran genera Ediacaria, Cyclomedusa, and Spriggia may be junior synonyms of Aspidella, for additional ... [details]
Initially described as a inordozoan jellyfish; according to Runnegar, 2021, Irridinitus represents the holdfast of ... [details]
Initially described as a hydrozoan jellyfish; according to Runnegar, 2021, Protodipleurosoma represents the ... [details]