Full reference: M. E. Clapham, G. M. Narbonne, J. G. Gehling, C. Greentree, and M. M. Anderson. 2004. Thectardis avalonensis: a new Ediacaran fossil from the Mistaken Point biota, Newfoundland. Journal of Paleontology 78(6):1031-1036
Parent taxon: Porifera according to E. A. Sperling et al. 2011
Sister taxa: Adriatella, Aetholicopalla, Alasonia, Aphlebospongia, Archaeocyatha, Ascarum, Asteriscosella, Astrostylopsis, Axiotubullina, Bacatocyathus, Bicyathus, Bornium, Bortepesia, Calcarea, Cassianostroma, Ceraostroma, Circopora, Clathrispongia, Codites, Coenostella, Concretum, Coniatopenia, Cornuaspongia, Coronacollina, Cotyliscus, Cribricyatha, Cribroscyphia, Crisantum, Cuneiphycus, Cupulochonia, Cupulospongia, Cyclospongia, Cylicopsis, Cystiphyllum adrianense, Demospongiae, Dendropora mirfia, Desmopora, Diestosphecion, Diplostomella, Disjectoporidae, Disparistromaria, Dulmius, Dulmius innovatus, Dyocopanon, Ellipsactinia, Encrinites apiosus, Encrinites disculus, Encrinites mirus, Encrinites nudus, Encrinites patiens, Encrinites perminutus, Encrinites praedominans, Encrinites praedominans alternatus, Encrinites quaesitus, Encrinites regularis, Encrinites tolomeus, Eocoryne, Eocyathispongia, Fedomia, Floriana, Glenodictyum, Helicolocellus, Heteractinida, Hexactinellida, Holocoelia, Homoscleromorpha, Idromecrinus, Lamellata, Lamellispongia, Limnoretheles, Lithopora, Megalelasma, Megastroma, Microcoryne, Milleporidium, Mirmus, Monotheles, Myrioporina, Nabaviella, Nelumbosium, Nelumbosium primum, Oligoplagia, Palaeophragmodictya, Paratubuliella, Parksia, Pharetronida, Pilosphecion, Plectinia, Polyactinellidae, Polycnemiseudea, Psephidia, Pulchrilaminida, Puppispongia, Puppispongia prostrema, Radicispongia, Rauffia, Reticullina, Rimpia, Rosellatana, Rugoconites, Scillus, Sclerospongiae, Scribroporella, Scyphia, Shitangspongia, Sinoflabrum, Siphonia permiana, Siphonia permiana elongatiuscula, Siphonia permiana ovoidalis, Siphonia permiana piriformis, Siphostroma, Sparsispongia, Sphaeractinia, Sphinctozoa, Spirocyathidae, Spongites lementarius, Spongites oculatus, Sporadoporidium, Steinerella, Stromatofungia, Stromatoporellata, Stromatoporellina, Stromatoporina, Stromatoporoidea, Stromatostroma, Taraxaculum, Textispongia, Thalamospongia, Toriscodermia, Tosastroma, Tragos, Trammeria, Tubispongia, Tubuliella, Virmula, Xizangstromatopora
Subtaxa: Thectardis avalonensis
Type: Thectardis avalonensis
Ecology: stationary intermediate-level epifaunal suspension feeder
Distribution:
• Ediacaran of Canada (8: Newfoundland, Newfoundland and Labrador, Nova Scotia collections), the United Kingdom (1)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.