• despite over a hundred years of scientific study, fierce debate still rages about how arthropods' heads are constructed?
• the Coconut Crab is the world's largest terrestrial arthropod?
  
• despite being known from many specimens, the fossil Fuxianhuia (pictured) remains one of the most controversial Cambrian arthropods?
• mushroom bodies have nothing to do with fungi, but are part of the brain anatomy of arthropods?
• Colony Collapse Disorder is a syndrome describing the increasing die-off of honey-bees and other arthropods?
• Arthropleuridea is an extinct class of myriapods which includes, at over 2 meters long, the largest terrestrial arthropods that ever lived?

Facts on topics related to Arthropod

Annelid

• the discovery of 189 fossils of the mid-Cambrian Odontogriphus thrust it into the centre of a heated debate about the evolution of molluscs, annelids and brachiopods?

Cnidaria

• a sea fan is a form of sessile colonial cnidarian, similar to a sea pen or a soft coral, found in tropical and subtropical seawater?

Brachiopod

• corals, graptolites, brachiopods and trilobites are frequently used as index fossils?
• the discovery of 189 fossils of the mid-Cambrian Odontogriphus thrust it into the centre of a heated debate about the evolution of molluscs, annelids and brachiopods?

Bryozoa

• a square metre patch of Phylactolaemata, a freshwater class of Bryozoa, can produce 800,000 statoblasts, "survival pods" withstanding freezing and drying that get carried long distances?

Animal

• zoomusicology studies sounds, vocalizations and the organization of the noisy communications of animals?
• automated CPR machines such as AutoPulse are used to treat cardiac arrest in both humans and animals?
• mycologist Olav Johan Sopp suggested classifying fungi as belonging to neither plantae nor animalia, but to a third kingdom, back in the 1890s?
• parts of the veiled stinkhorn Phallus indusiatus have been consumed by lifeforms as diverse as bees, flies, Chinese diplomats and Henry Kissinger?
• the geology of London includes abundant fossilized animal remains?