Trisha Shetty (Editor)

Camptostroma

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Kingdom
  
Animalia

Species
  
C. roddyi Hundt 1939

Rank
  
Genus

Class
  
†Edrioasteroidea

Phylum
  
Echinodermata

Camptostroma httpsuploadwikimediaorgwikipediacommons99

Similar
  
Helicoplacus, Lichenoides, Arkarua, Gogia, Edrioasteroidea

Camptostroma roddyi is an extinct echinoderm from the Bonnia-Olenellus Zone the Early Cambrian Kinzers Formation near York and Lancaster, Southeastern Pennsylvania. In life, it would have resembled a cupcake, with the axial skeleton forming a star pattern on the upper surface. It was originally thought, on the basis of its medusoid shape, to be a jellyfish-like organism, but the fossils themselves clearly rule out the possibility of a gelatinous body - the stereom plates are clearly preserved and possess the calcitic cleavage pattern diagnostic of echinoderms. It has been placed in a class of basal echinoderms, the Edrioasteroids.

Other species have been described from time to time, but all have since been reassigned to other genera - and often different phyla.

References

Camptostroma Wikipedia