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Just a reminder that echinoderms used to have bilateral symmetry like us. Nowadays they're still born with it, but the radial adult form literally tears its way out of the bilateral larval body.
(recons by Nobu Tamura)
My amongids for #amongidresearch! Amongid Research Facilities is a speculative evolution project by @crabba1t about a stem-group of echinoderms sus amo ng #AmongUs
#Spectember Day 24: Terrestrial Echinoderm
Shameless Rhynia Sponsorship lol
https://t.co/V21zgbx2qg
Archaeocidaris was an echinoid echinoderm that lived from the Devonian to Permian periods.
https://t.co/rsAp5Y7coj
Illustration by @AndreyAtuchin
#paleontology #paleoart
// cw: nudity
further mermay celebrations with a sea cucumber girl!! she's an echinodermaid. with big boobs
'Smothering Starfish' for the new @PlayHearthstone expansion, Sunken City.
Some artists wait their entire career for that exciting 'echinoderm clinging to face' brief. Only the luckiest of us get to ride that train a second time. What a rush.
.@metamido 『ヒトデの木』
(starfish (any echinoderm of the class Asteroidea))
Akira UNI - Sparkling Smile
Rarity: ☆☆☆☆☆
Element: Electro
Constellation: Scintillans Acus
Affiliation: Inazuma (Echinodermata)
Birthday: 12/16
Ediacaran biota series #1 : Arkarua (a elder echinoderm), Charnia (a plant-like animal), Pomoria (that looks like a ses anemone). #paleoart #paleontology #sciart
Back when I drew the inside of a REAL alien: a sea urchin.
Though ironically echinoderms are relatively close cousins of ours...
Some kind of echinoderm. Metisrah may have met her
Intelligence can be compared with a certain red slime
Eldonia
A misterious animal of which over 500 specimens have been found, it was suggested to be an echinoderm or jellyfish but its affinity remains unknown
ALT: one of the specimens discovered that was once believed to be a jellyfish but turned out a synonym of eldonia
Getting art from @FabFreakShow is a dream come true!
Feeling spikes erupt all over my body as I squish down into an oversized echinoderm is more like a nightmare, though. Youch!
For #FossilFriday, I am sharing one of my favorite fossils of all time: a platyceratid #gastropod attached to a Mississippian #crinoid (Scytalocrinus). This #parasitic #snail lived permanently attached to its #echinoderm host, stealing food and/or gametes. Amazing specimen!!!
#ThinSectionThursday Jurassic Bath Stone. Calcite cement crystals around the echinoderm fragments are clear and large (can you spot them?), and are much more resistant to weathering than small crystals around ooliths, so longest-lasting building stones tend to echinoderm-rich
Since it's #pokemon2020, shout out to Cradily - surprise, surprise, a #crinoid. This fossil poke "lived" in ancient shallow seas like our stalked crinoids - maybe Cradily too is still thriving in pokemon's deep oceans then.
1 flaw: 8 arms, thus failing #echinoderm 5-fold symmetry
...the stars are brightly shining...
Images from "Echinoderms from Australia" by Hubert Lyman Clark 1938: https://t.co/1ejY1xZXuE via
@BioDivLibrary @mayrlibrary
#Christmas