Marine oxygenation, lithistid sponges, and the early history of Paleozoic skeletal reefs
Microbial carbonates were major components of early Paleozoic reefs until coral-
stromatoporoid-bryozoan reefs appeared in the mid-Ordovician. Microbial reefs were …
stromatoporoid-bryozoan reefs appeared in the mid-Ordovician. Microbial reefs were …
The Ediacaran–Cambrian boundary: evaluating stratigraphic completeness and the Great Unconformity
S Shahkarami, LA Buatois, MG Mángano… - Precambrian …, 2020 - Elsevier
Abstract The Ediacaran–Cambrian transition was a time of marked biological and
sedimentary changes, representing a significant evolutionary breakthrough in Earth's …
sedimentary changes, representing a significant evolutionary breakthrough in Earth's …
Early evolution of colonial animals (Ediacaran evolutionary radiation–Cambrian evolutionary radiation–Great Ordovician Biodiversification interval)
Re-evaluation of eumetazoan modular coloniality gives a new perspective to Ediacaran–
Ordovician animal diversification. Highly integrated eumetazoan colonies (porpitids …
Ordovician animal diversification. Highly integrated eumetazoan colonies (porpitids …
Cloudina-Corumbella-Namacalathus association from the Itapucumi Group, Paraguay: increasing ecosystem complexity and tiering at the end of the Ediacaran
Abstract The intriguing Ediacaran fossil Namacalathus is described from limestones of the
Tagatiya Guazú Formation, Itapucumi Group, Paraguay. This is the fifth occurrence of the …
Tagatiya Guazú Formation, Itapucumi Group, Paraguay. This is the fifth occurrence of the …
Constraints on the late Ediacaran sulfur cycle from carbonate associated sulfate
We report new sulfur isotope compositions (δ 34 S) in carbonate associated sulfate (CAS)
and pyrite from the lower Nama Group, Namibia (∼ 550 to< 547 Ma), and use these data to …
and pyrite from the lower Nama Group, Namibia (∼ 550 to< 547 Ma), and use these data to …
Taxonomic revision of Ediacaran tubular fossils: Cloudina, Sinotubulites and Conotubus
The Ediacaran tubular fossils Cloudina, Sinotubulites, and Conotubus are taxonomically
revised with type materials. It is proposed that Aulophycus lucianoi Beurlen and Sommer …
revised with type materials. It is proposed that Aulophycus lucianoi Beurlen and Sommer …
Sedimentary facies, fossil distribution and depositional setting of the late Ediacaran Tamengo Formation (Brazil)
KB Amorim, JWL Afonso, JM Leme, CQC Diniz… - …, 2020 - Wiley Online Library
Mixed carbonate–siliciclastic deposits of the Tamengo Formation (terminal Ediacaran),
record the rise of calcifying metazoans and the origin of exoskeletons in animals. To explore …
record the rise of calcifying metazoans and the origin of exoskeletons in animals. To explore …
Substrate growth dynamics and biomineralization of an Ediacaran encrusting poriferan
The ability to encrust in order to secure and maintain growth on a substrate is a key
competitive innovation in benthic metazoans. Here we describe the substrate growth …
competitive innovation in benthic metazoans. Here we describe the substrate growth …
Depauperate skeletonized reef-dwelling fauna of the early Cambrian: insights from archaeocyathan reef ecosystems of western Mongolia
Reef-dwelling organisms in the early Cambrian include typical members of the Cambrian
Fauna such as trilobites, chancelloriids, and hyoliths. However, in comparison to later …
Fauna such as trilobites, chancelloriids, and hyoliths. However, in comparison to later …
Transient shallow-ocean oxidation associated with the late Ediacaran Nama skeletal fauna: evidence from iodine contents of the Lower Nama Group, southern …
The terminal Ediacaran interval from~ 550 Ma to 541 Ma witnessed the first appearance of
skeletal metazoans and complex ecosystems in Earth history. This biotic innovation event is …
skeletal metazoans and complex ecosystems in Earth history. This biotic innovation event is …