Alex Hyde / Velvet Worm (Peripatus novaezealandiae) silhouetted against a leaf, known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Alex Hyde / Velvet Worm (Peripatus novaezealandiae) known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Norbert Wu / Coelacanth (Latimeria chalumnae) living fossil, ancestor of amphibians and land vertebrates, Comoros Islands

Ashley Cooper / The irony of solar powered CCTV at Shell's Albian sands tar sands mine. The tar sands are the largest industrial project on the planet, and the world's most environmentally destructive. The synthetic...

Ashley Cooper / The tailings pond at the Syncrude mine north of Fort McMurray, Alberta, Canada. Tailings ponds in the tar sands are unlined and leach toxic chemicals into the surrounding environment. In addition, tho...

Ashley Cooper / Tar sands deposits being mined at the Syncrude mine north of Fort McMurray, Alberta, Canada. The tar sands are the largest industrial project on the planet, and the world's most environmentally destru...

Paul D Stewart / Shell of extant deep water squid Spirula (Spirula spirula) backlit and sectioned to show how the structure of partitions within the shell is reminiscent of the extinct ammonites and living nautiloids.

Paul D Stewart / Horseshoe crab (Limulus polyphemus) specimen ventral anatomy (including book gills) of this primitive arthropod.

Paul D Stewart / Horseshoe crab (Limulus polyphemus) specimens with tubes of Limulus amebocyte lysate, harvested from the Horseshoe crabs blood, which is used for detection of bacterial contamination in medical applic...

Paul D Stewart / Illustration of Trilobites ' Aspidonia' from Ernst Haeckel's Kunstformen der Natur published 1899-1904

Paul D Stewart / Comparison of the femur of a modern Three toed sloth and extinct giant sloth Scleidotherium spp. Scelidotherium (including the femur) found by Darwin. The discovery of these giant extinct relatives of...

Paul D Stewart / Ammonite (Cosmoceras proniae) from Jurrasic period, 165 million years ago, from Russia. Shown ithin the shell of modern Abalone (Haliotis sp.) This illustrates the preservation in the ammonite fossil...

Alex Hyde / A leaf from a Ginkgo tree, (Ginkgo biloba) also known as the maidenhair tree. The ginkgo is a living fossil and is recognisably similar to fossils dating back 270 million years. Photographed on a whit...

Alex Hyde / Velvet Worm (Peripatus novaezealandiae) known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Alex Hyde / Velvet Worm (Peripatus novaezealandiae) known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Alex Hyde / Velvet Worm (Peripatus novaezealandiae) known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Alex Hyde / Velvet Worm (Peripatus novaezealandiae) known as 'living fossils', having remained the same for approximately 570 million years, New Zealand, Captive

Juan Carlos Munoz / Fossil of Horseshoe crab (Limulidae) Asturias, Spain

Alex Mustard / 2020VISION / Mouth and tentacles of Jewel anemone (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July, Note tiny amphipods living inside anemone. Did you know?...

GEORGETTE DOUWMA / Titan / Moustache triggerfish (Balistoides viridescens) breaking up Blue coral (Heliopora coerulea). Blue coral is a member of the subclass Octocorall and is a living fossil. Andaman Sea, Thailand

Piotr Naskrecki / Spider (Eriauchenius sp) specialized as a predator of other spiders, considered a living fossil as was originally described from fossil material, and only subsequently found living in Madagascar

Konrad Wothe / Tadpole Shrimp (Triops cancriformis) living fossil is oldest living animal species known, underwater

Konrad Wothe / Tadpole Shrimp (Triops cancriformis) living fossil is oldest living animal species known, underwater

Konrad Wothe / Tadpole Shrimp (Triops cancriformis) living fossil is oldest living animal species known, underwater

Paul D Stewart / Nemiana simplex, a White Sea Ediacaran fossil (upper Vendian) in the sandstone shales from the Novodnestrovsky Quarry, Podolia, Ukraine. The ediacaran biota existed from about 580 to 540 million years...

Paul D Stewart / Toxodon platensis fossil teeth together with the illustrations featured in George Sharf's life-sized lithograph (pl. IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles...

Paul D Stewart / Toxodon platensis fossil teeth together with illustrations in George Sharf's lithograph (pl. IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles Darwin, Part 1, 'Fossil...

Paul D Stewart / Toxodon platensis fossil teeth together with teeth featured in George Sharf's life-sized lithograph (plate IV) from 'The Zoology of the Voyage of HMS Beagle' under the supervision of Charles Darwin, P...

Paul D Stewart / Elephant skeleton engraving in Cuvier's 'Ossamens Fossiles' (1812). Cuvier, the master of comparative anatomy, referenced modern species with extinct fossils to reveal their affinities and differences...

Paul D Stewart / Illustration of extinct fossil giant salamander (Andrias sheuchzeri), first named as Homo diluvii testis (evidence of a diluvian human or witness of the flood) from the work of Johann Jakob Scheuchzer...

Paul D Stewart / Woodcut with old colouring of shark and shark tooth fossil from Gesner 'Icones Animalium' publ. Christof Froschover, Zurich, 1560 (also 1558 in Historiae Animalium, Liber IIII). This is the first West...