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Explore Patrik Nilsson's 1839 photos on Flickr!
El Peñon, Sucre, Venezuela
Image Palaeocoma egertoni Jurassic Brittlestar Fossil Phylum Echinodermata; Class Ophiuroidea Geological Time: Early Jurassic, Pliensbachian Stage (195 million years ago) Size: Brittlestar fossil is...
bibliodyssey.blogspot.com/2009/06/icones-zootomicae.html
Crinoids are marine animals that are part of the phylum Echinodermata, which makes them relatives to starfish, sea urchins, and sea cucumbers. One of our oldest fossils, crinoids have lived in oceans since at least the Ordovician Era (485 million years ago). These fragments were part of their tube-like stem, which served as their water vascular system. Crinoids were surprisingly resilient. They survived the Permian Period, which ended with the largest mass extinction event in history, and recent fossil discoveries suggest that these flower-like creatures may have even crossed seas by attaching themselves to driftwood. They flourished to their peak during the Mississippian period, when the shallow, marine environments they preferred were widespread on several continents. They diversified into hundreds of varieties, most famously the sea lily and feather star that still inhabit oceans today. 2–3 crinoid fossils displayed in an acrylic case. A perfect addition for your fossil collection. Images are an average representation of the specimens you will receive. We prioritize the largest specimens to ship first.\n —-—-—-—-—-—-—-—- More info is available at: stemcell.eco scientific collectables, science artifacts, science gifts, physics gifts, science museum, science museum gift, natural history museum, stem gifts, science teacher, physics professor, science nerd, science lover
ERNST HAECKEL Echinodermata/asteroidea via
bibliodyssey.blogspot.com/2009/06/icones-zootomicae.html
Animals come in an enormous variety of shapes, but the body-plan we see cropping up again and again across the constellation of animal forms is a long and thin form – a ‘worm’ in lieu of a better word. Of the 35 animal lineages at least 23 of them have …
This week is busy and so I leave you with some STUNNING photography by one of my colleagues.. Dr. Arthur Anker! He studies mostly shrimps and other crustaceans but does incredible things with a camera! If you're looking to hire a biologist who knows his decapods he gets my vote! Artour's full photostream can be found here on Flickr! Enjoy! This looks like the top side of Ophiarachna Here's the mouth and underside.. Damn... just stunning. An electric blue Ophiothrix from Australia (Great Barrier Reef) Here's an Ophiothrix from Panama Ophionereis? I think.. from Panama I believe this is Ophioderma (giraffe patterned) from St. Martin Some baby brittle stars from Moorea! Some Non-echinoderms... A male sea spider... An amazing worm (Trypanosyllis sp. (Syllidae) from Moorea, French Polynesia. (ID by Leslie Harris) A polychaete worm (Nereis cf. riisei) rolled up into a spiral One of the most beautiful (and IMHO best named) crabs in the world-Lophozozymus incisus A sexy yellow and purple hermit crab Pylopaguropsis lemaitrei from Moorea
