ArticleProceedings. Biological sciences2015
Ediacaran skeletal metazoan interpreted as a lophophorate.
Article in Proceedings. Biological sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 42 citations in OpenAlex.
- The evolution of reproduction in Ediacaran-Cambrian metazoans.Biological reviews of the Cambridge Philosophical Society · 2025Article
- Rebuilding Earth's first skeletal animals: the original morphology ofRoyal Society open science · 2025Article
- Ediacaran origin and Ediacaran-Cambrian diversification of Metazoa.Science advances · 2024Article
- Article
- EdiacaraniScience · 2022Article
- Ediacaran metazoan reveals lophotrochozoan affinity and deepens root of Cambrian Explosion.Science advances · 2021Article
- Draft genome of Bugula neritina, a colonial animal packing powerful symbionts and potential medicines.Scientific data · 2020Article
- Three-dimensional reconstructions of the putative metazoanProceedings of the National Academy of Sciences of the United States of America · 2020Article
- Revisiting metazoan phylogeny with genomic sampling of all phyla.Proceedings. Biological sciences · 2019Article
- Hyoliths with pedicles illuminate the origin of the brachiopod body plan.Proceedings. Biological sciences · 2018Article
- Ecological interactions in Cloudina from the Ediacaran of Brazil: implications for the rise of animal biomineralization.Scientific reports · 2017Article
- Article
- Low-oxygen waters limited habitable space for early animals.Nature communications · 2016Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
While many skeletal biomineralized genera are described from Ediacaran (635-541 million years ago, Ma) strata, none have been suggested to have an affinity above the Porifera-Cnidaria metazoan grade. Here, we reinterpret the widespread terminal Ediacaran (approx. 550-541 Ma) sessile goblet-shaped Namacalathus as a triploblastic eumetazoan. Namacalathus has a stalked cup with radially symmetrical cross section, multiple lateral lumens and a central opening. We show that the skeleton of Namacalathus is composed of a calcareous foliated ultrastructure displaying regular concordant columnar inflections, with a possible inner organic-rich layer. These features point to an accretionary growth style of the skeleton and an affinity with the Lophotrochozoa, more specifically within the Lophophorata (Brachiopoda and Bryozoa). Additionally, we present evidence for asexual reproduction as expressed by regular budding in a bilateral pattern. The interpretation of Namacalathus as an Ediacaran total group lophophorate is consistent with an early radiation of the Lophophorata, as known early Cambrian representatives were sessile, mostly stalked forms, and in addition, the oldest known calcareous Brachiopoda (early Cambrian Obolellida) and Bryozoa (Ordovician Stenolaemata) possessed foliated ultrastructures.
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