#miaolingian
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arthropoda-curator.bsky.social
𝘊𝘰𝘯𝘰𝘤𝘰𝘳𝘺𝘱𝘩𝘦 𝘴𝘶𝘭𝘻𝘦𝘳𝘪 (Schlotheim, 1823) (Ptychopariida: Conocoryphidae)

Miaolingian

Jince Formation

Ginetz, Bohemia, Czechia 🇨🇿
April 10, 2025 at 6:27 AM
cambriancam.bsky.social
Welcome back to #trilobitetuesday

Here is a classic. This is Elrathia antiquata from the Middle Cambrian (Miaolingian Series/Durumian) Conasauga Formation from Floyd County, Georgia.
July 21, 2026 at 7:23 PM
perahlberg.bsky.social
Nice to see Opabinia there. The Miaolingian stage of the Cambrian really should be renamed the Lovecraftian...
August 31, 2025 at 2:00 PM
arctomet.bsky.social
Kimmig, J., Nanglu, K., & Jamison, P. G. (2025). A problematic soft-bodied fossil from the Cambrian (Miaolingian, Wuliuan) of Utah. Geological Magazine, 162, e37. doi.org/10.1017/S001...
A problematic soft-bodied fossil from the Cambrian (Miaolingian, Wuliuan) of Utah | Geological Magazine | Cambridge Core
A problematic soft-bodied fossil from the Cambrian (Miaolingian, Wuliuan) of Utah - Volume 162
doi.org
September 18, 2025 at 4:18 PM
boblivion.bsky.social
#aiimages #iconoplasm #AlArt #AIArtist #AIArtwork #horrorai #DigitalArt #AlArtGallery #AlGeneratedArt #monster #horrorart #creativeai #synthart #lovecraft #balhuticaris #cambrian #miaolingian #diver #sea #unextinct
Balhuticaris Is BACK, Baby! by Morisal on DeviantArt
Balhuticaris Is BACK, Baby! — artwork by Morisal on DeviantArt. Published: 2026-10-08 · Likes: 0 · Views: 0 · Tags: digitalart, fantasyart, horror, creature, lovecraft, scifi, monster, surreal, sea, c...
www.deviantart.com
October 8, 2026 at 2:49 PM
palaeocast.bsky.social
Ep177: Cambrian Fecal Revolution
www.palaeocast.com/cambrian-fec...

The evolution of guts brings with it the evolution of faeces & as animal life radiated into the #Cambrian the poop began to pile up. In this episode, we learn of the effects this had on the planet.

#paleo #palaeo #fossil #podcast
Phosphatized microscopic fecal pellets from the Gaotai Formation (Miaolingian, Wuliuan) Guizhou, China.
August 18, 2026 at 12:39 PM
resentment.space
how do you get in on naming these placeholding suckers and do not say become a geologist
Cambrian > Furongian > > Stage 10 > > Jiangshanian > > Paibian > Miaolingian > > Guzhangian > > Drumian > > Wuliuan > Series 2 > > Stage 4 > > Stage 3 > Terreneuvian > > Stage 2 > > Fortunian
March 28, 2025 at 7:51 AM
paleogalli.bsky.social
Braquiópodes linguliformes do Cambriano das formações Pika e Sullivan (Miaolínguico), sul das Montanhas Rochosas, Alberta, Canadá cdnsciencepub.com/doi/10.1139/...
Cambrian linguliformean brachiopods of the Pika and Sullivan formations (Miaolingian), southern Rocky Mountains, Alberta, Canada
A low-diversity Miaolingian linguliformean brachiopod fauna is described from the middle Cambrian Pika and Sullivan formations in the southern Canadian Rocky Mountains. The sampled Pika Formation cons...
cdnsciencepub.com
December 9, 2025 at 7:30 PM
balthazarbot.bsky.social
Balthazar is thinking about the Miaolingian Era. It looks angry.
Pixel art of a corgi on a virtual pet device screen. It looks angry.
September 4, 2025 at 9:30 PM
thepalass.bsky.social
Exploring the intraspecific variation in trilobite segmentation: development of an articulated proasaphiscid onlinelibrary.wiley.com/doi/10.1002/... #PapersinPalaeontology @datadryad
Four photographs of trilobites, all Maotunia iddingsi from the Cambrian (Miaolingian, Drumian) Zhangxia Formation, Fei County, Shandong Province, North China. The images illustrate different stages of development within this species. Top right (larger image): holaspid morph 1 with five pygidial segments (YSMT 343). Three images in a row at the bottom, from left to right: meraspid degree 8, morph 2 with six pygidial segments (YSMT 245-2); meraspid degree 9, morph 1 with five pygidial segments (YSMT 165 and YSMT 251); meraspid degree 9, morph 3 with seven pygidial segments (YSMT 163). Each photograph has a white scale bar in the lower left corner, all are 5 mm. Red rectangle in upper right is a cover image from the journal Papers in Palaeontology.
September 14, 2026 at 6:22 PM
jkimmig.bsky.social
Researchgate:
www.researchgate.net/publication/...
(PDF) A problematic soft-bodied fossil from the Cambrian (Miaolingian, Wuliuan) of Utah
PDF | The Spence Shale of Utah and Idaho preserves a diverse soft-bodied biota from the Cambrian. While the fauna is dominated by arthropods and... | Find, read and cite all the research you need on R...
www.researchgate.net
September 18, 2025 at 10:56 AM
paleogalli.bsky.social
Explorando a variação intraespecífica na segmentação dos trilobitas: desenvolvimento de um proasafiscídeo articulado, um estudo de caso onlinelibrary.wiley.com/doi/10.1002/...
Exploring the intraspecific variation in trilobite segmentation: development of an articulated proasaphiscid, a case study
We present a detailed exploration of the growth and segmentation of the proasaphiscid trilobite Maotunia iddingsi from the middle Cambrian (Miaolingian, Drumian), North China, and investigate morphol...
onlinelibrary.wiley.com
September 11, 2026 at 4:35 PM
ferwen.bsky.social
Moulting behaviour in the trilobite Oryctocephalus indicus (Reed, 1910) from the Cambrian Miaolingian Series (Wuliuan Stage) of Jianhe, South China

https://peerj.com/articles/16440/
Moulting behaviour in the trilobite Oryctocephalus indicus (Reed, 1910) from the Cambrian Miaolingia...
The accurate interpretation of trilobite moulting behaviour relies on a comprehensive understanding of their moult configurations, yet the focus has commonly been limited to a brief description of the...
peerj.com
December 13, 2023 at 3:18 PM
amypteride.bsky.social
We continue with details about its internal anatomy (more on that in a few months), when & where it lived and its place among chelicerates, which is kinda special due to how old and "primitive" it is.

#Cheliceratime
3/4
The Mollisonia genus is known through numerous specimens showing internal organs, including the nervous system. Its big eyes and similarities with some arachnid brains indicate it was relying a lot on its vision to hunt and that chelicerates were already active hunters back 500 million years ago. These similarities even led some to claim that the Mollisonia genus could be an arachnid. To make it quick, even tho some similarities are here, this particular claim of being an arachnid didn’t take into account the rest of the body, had several methodological flaws and didn’t take into account the large literature of these last years about how chelicerate evolution isn’t as linear as we thought for centuries. We’ll talk about this in much more detail in a few months, I plan to make an entire post on the topic because my thoughts were corroborated a few days ago by a response that summarized the same things. I won’t elaborate much beyond saying that it’ll be considered here as a basal chelicerate and that an arachnid-like brain may be the default setting among chelicerates. Mollisonia plenovenatrix lived 505 million years ago during the Miaolingian epoch. Back then, the area that would become the Burgess Shale was underwater and in tropical latitudes. The Burgess shale is known to be a near ancient continental slopes, so M. plenovenatrix may have lived in deep areas of shallow coastal seas. M. plenovenatrix was far from being an apex predator, this role was assigned to way bigger animals like some trilobites, giant lobopods and radiodonts (like Anomalocaris). It was most likely a medium-size hunter (for Cambrian standards, for us it looks small) that roamed across the sea floor in search of food. So, is Mollisonia plenovenatrix the grandpa of all chelicerates? Absolutely not, far from it in fact! A 2-segmented chelicera, such primitive respiratory organs & a wide fused pygidium at the back are completely incompatible with the morphology modern species could have arisen from. However, the body plan this morphology could have evolved from is really similar to what’s hypothesised to be the ground body plan of euchelicerates. With several other species, it’s part of the mollisoniids, a small order of basal euchelicerates that branched off early from the group that led to modern euchelicerates. The slide also comprise a phylogenetic tree showing mollisonids like M. plenovenatrix as the sister group to all modern euchelicerates (like arachnids & horseshoe crabs), while pycnogonids are an external group to this assemblage Mollisoniids are a recent addition to the list of chelicerates orders and took shape these last years due to a revision of numerous previously known fossils that shared similar traits with M. plenovenatrix, which allowed to place them among chelicerates. These arthropods appeared to be already widespread by the time the Cambrian explosion faded, and remained present at least to the beginning of the Ordovician.
February 27, 2026 at 6:50 PM
balthazarbot.bsky.social
Balthazar is thinking about the Miaolingian Era. It looks angry.
Pixel art of a corgi on a virtual pet device screen. It looks angry.
June 20, 2026 at 12:48 AM
balthazarbot.bsky.social
Balthazar is thinking about the Miaolingian Era. It looks surprised.
Pixel art of a corgi on a virtual pet device screen. It looks surprised.
October 9, 2025 at 5:35 AM
balthazarbot.bsky.social
Balthazar is thinking about the Miaolingian Era. It looks blank.
Pixel art of a corgi on a virtual pet device screen. It looks blank.
October 4, 2025 at 9:35 PM
trilobiteruss.bsky.social
Athabaskia bithus (Walcott, 1916)
Order CORYNEXOCHIDA
Family DOLICHOMETOPIDAE
M Cambrian, Miaolingian Series, Wuliuan Stage
Langston Formation, Spence Shale Member
Antimony Canyon and Miner's Hollow, Wellsville Mountains
Box Elder County, Utah, U.S.A. trilobite measures 3.8cm long.
November 16, 2024 at 9:25 PM
zoe248.tgirl.gay
Trilobite of the Day 52
Athabaskia bithus (Walcott, 1916)
Middle Cambrian, Miaolingian Series, Wuliuan Stage
Langston Formation, Spence Shale Member
Wellsville Mountains, Box Elder and Cache counties, Utah
Largest trilobite = 3.5 cm
Athabaskia bithus
August 28, 2023 at 9:57 PM
zoe248.tgirl.gay
Trilobite of the Day 27

Amecephalus normale (Resser, 1938)
Middle Cambrian, Miaolingian Series, Wuliuan Stage
Langston Formation, Spence Shale Member
Wellsville Mountains, Box Elder and Cache counties, Utah, U.S.A.
4 cm

"What's so normal about this trilobite?"
Fossil of the trilobite Amecephalus normale
July 26, 2023 at 12:30 PM
cottonjenny.bsky.social
The Cambrian ROECE and DICE carbon isotope excursions in western Gondwana (Montagne Noire, southern France): Implications for regional and global correlations of the Miaolingian Series - ScienceDirect www.sciencedirect.com/science/arti...
The Cambrian ROECE and DICE carbon isotope excursions in western Gondwana (Montagne Noire, southern France): Implications for regional and global correlations of the Miaolingian Series
The Stage 4 – lower Guzhangian interval, which includes the Drumian and Wuliuan stages is critical for understanding biogeochemical and evolutionary e…
www.sciencedirect.com
April 25, 2025 at 4:11 AM