08Nov 2024 by Post

Fossil Friday: An Ediacaran Animal with a Question Mark

A. Yu Ivantsov, animals, dickinsoniids, Ediacaran biota, Epibaion, Evolution, Evolution & Development, flatworms, Fossil Friday (series), IFLScience, jello, microbial mats, multicellular animal, muscles, nervous system, Nilpena Ediacara National Park, outback, paleontology, placozoan, Precambrian, protists, Quaestio simpsonorum, Roomba, sandstone, South Australia, trace fossils, Tribrachidium
To claim that such undefinable blobs in sandstone represent fossils of the oldest motile animals is massively overselling the evidence to say the least. Source
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03May 2022 by Post

Fact Check: Hawaiian Silverswords Fail the Species Pair Challenge

Argyroxiphium, Arthur G. Hunt, Arthur Hunt, articulated legs, Basilosaurus, bilaterian animals, biology, central nervous system, cichlid fish, compound eyes, Darwinists, dog breeds, Dubautia, Dubautia waialealae, Dunning-Kruger effect, Ediacaran organisms, Evolution, Evolution News, exoskeleton, ferrets, fossil record, gut system, Hawaiian Silverswords, honeycreepers, Joe Felsenstein, John Harshman, Lake Malawi, Life Sciences, Matthew Dickau, molecular clock, mouth parts, no true Scotsman, otters, Pakicetus, Panda's Thumb, Peaceful Science, phenotypic plasticity, Puck Mendelssohn, reading comprehension, Rumraket, Rusophycus, species pair challenge, TimeTree.org, trace fossils, University of Kentucky, Wilkesia, Young Earth Creationists
Even though the differences appear superficially striking, they do not involve any novel body plans (i.e., no new proteins, new tissues, or new organs). Source
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07Sep 2020 by Post

Kimberella — Conflicting Evidence from Taphonomy

ammonium chloride, animals, bilaterians, bivariate analysis, bottom waters, Burgess Shale, Cambrian Explosion, Cambrian News, Chengjiang, death-masks, Ediacaran Period, Evolution, feeding traces, fossil record, hyporeliefs, Kimberella, Kimberella series, Konservat Lagerstätten, latex casts, limpets, Maotianshan Shales, motility, Precambrian strata, taphonomy, trace fossils
The fossilization of Kimberella specimens was most likely based on rapid burial with sand during storm events. Source
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