Stromatoporoidea - Clathrodictyida - Gerronostromatidae
Alternative spellings: Petroidistroma, Petroiodistroma
Invalid subtaxa: Faciledictyon Lessovaja 1991, Petrostroma Stearn 1991 [replaced name]
Full reference: C. W. Stearn. 1992. Petridiostroma, a new name for Petrostroma Stearn, 1991, not Petrostroma Döderlein, 1892. Journal of Paleontology 66(3):531-531
Parent taxon: Gerronostromatidae according to H. Nestor 2015
See also Novack-Gottshall 2025, Sepkoski 2002, Stearn 1992 and Stearn et al. 1999
Sister taxa: Gerronodictyon, Gerronostroma
Subtaxa: Petridiostroma incrustatum Petridiostroma parsimplex Petridiostroma regulare
Ecology: stationary epifaunal suspension feeder-photosymbiotic
Distribution:
• Devonian of Canada (2: Nunavut collections), the Russian Federation (1)
• Silurian of Canada (15: Manitoba, Quebec), Estonia (3), Ireland (1), the Russian Federation (1), Sweden (1)
Total: 24 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.