January 27, 2021 A new page has been added to the Embryophytes chapter of Digital Encyclopedia of Ancient Life (DEAL): Branching. This page explores the types of branching in plant shoots and roots and discusses monopodial and sympodial growth. It is part of the section “Introduction to vascular plant structure.” Image credits: Lepidodendron YPM PB 054238 (by Fiona O’Brien); Asterophyllites YPM PB 000699 (by Robert Swerling); Metasequoia …
Echinoderm Chapter of Digital Encyclopedia
July 24, 2020 The echinoderm chapter of the Digital Encyclopedia of Ancient Life is now complete has is available to explore here.
Leaf Structure & Evolution
June 4, 2020 A new page has been added to the Embryophytes chapter of Digital Encyclopedia of Ancient Life (DEAL): Leaf structure & evolution. This page explores the identity, structure (morphology and anatomy), and origins of leaves. It is part of the section “Introduction to vascular plant structure.”
Phylum Chordata: Overview & Basal Taxa
June 4, 2020 Initial pages on a new chapter about Phylum Cordata have been added to the Digital Encyclopedia of Ancient Life (DEAL). These cover basal chordates and jawless vertebrates.
Evolution and the Fossil Record
January 6, 2020 We have just posted the latest chapter of the Digital Encyclopedia of Ancient Life: “Evolution and the Fossil Record.” This chapter covers natural selection, species, speciation, and macroevolutionary theory. It may be accessed at https://www.digitalatlasofancientlife.org/learn/evolution/
Version 2.0 of the Digital Atlas of Ancient Life App
Dec. 9, 2019 We are very excited to share that Version 2.0 of our free Digital Atlas of Ancient Life App is now available for iOS and–for the first time–Android devices. Use it to identify fossils, even when you are offline. Apple App Store (iOS): https://apps.apple.com/us/app/digital-atlas-of-ancient-life/id971829286 Google Play (Android): https://play.google.com/store/apps/details?id=io.aleros.digitalatlasancientlife&hl=en_US
sponges, porifera, fossil, evolution
Dec. 5, 2019 A new chapter has just been added to the Digital Encyclopedia of Ancient Life and is all about the fossil record phylum Porifera: the sponges. Check it out at: https://www.digitalatlasofancientlife.org/learn/porifera/
Virtual Collection: Trace Fossils
June 11, 2019. Our latest Virtual Collection is now online and it focuses on trace fossils, which record the behaviors of ancient life. Access at: https://www.digitalatlasofancientlife.org/vc/trace-fossils/
Virtual Collection: Phylum Porifera
June 5, 2019: We have just added an all new Virtual Collection of interactive 3D models of representative modern and fossil sponges (phylum Porifera). It may be accessed at: https://www.digitalatlasofancientlife.org/vc/porifera/
Angiosperms: Flowers
June 4, 2019: We have added a new page on angiosperms that covers flower structure. (Images of Hydrangea flowers above credit Dominicus Johannes Bergsma/Wikimedia Commons and Yale Peabody Museum/iDigBio Portal). It can be accessed at: https://www.digitalatlasofancientlife.org/learn/embryophytes/angiosperms/flowers/