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(amphiblastula)
1 results
  • Precambrian sponges with cellular structures [Journal Article]
    Science 1998; 279(5352):879-82Li CW, Chen JY, Hua TE
  • Sponge remains have been identified in the Early Vendian Doushantuo phosphate deposit in central Guizhou (South China), which has an age of approximately 580 million years ago. Their skeletons consist of siliceous, monaxonal spicules. All are referred to as the Porifera, class Demospongiae. Preserved soft tissues include the epidermis, porocytes, amoebocytes, sclerocytes, and spongocoel. Among th…
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