Pikaia Size: How Big Was This Early Cambrian Chordate?
Small body size, a handful of fossils and huge evolutionary impact. What was Pikaia’s size and weight, and what did it look like?
Elvorne Palmer
When Did Pikaia Go Extinct? A Cambrian Chordate Cold Case
Tiny fossils, a sea of creatures and huge evolutionary steps – we explore early Cambrian chordates and ask: when did Pikaia go extinct?
What is So Special About Pikaia? All the Ancient Chordate Fuss
A misunderstood fossil, a glimpse into the past and long-lost Cambrian vertebrate secrets – find out what is so special about Pikaia Gracilens
Now: 8 Incredible Pikaia Gracilens Facts: Your Ancient Relative
Discover: All about Pikaia Gracilens: Its scientific classification, size, characteristics (synapomorphies) and 8 unbelievable primitive chordate facts
Did Humans Evolve From Pikaia? Setting the Cambrian Record Straight
Tracing our vertebrate roots back to the ancient Cambrian oceans, we ask: Did humans evolve from Pikaia Gracilens?
Is Pikaia a Fish? Solving the Cambrian Chordate Mystery
Over a century after it was first discovered, and some 505 million years after it lived, we explore the early Cambrian chordates and ask: Was Pikaia a fish?
Did Pikaia Have Bones? Meet the First Prehistoric Chordates
A soft body with dorsal nerve and primitive notochord – Pikaia Gracilens was a Cambrian chordate, but did Pikaia have bones?
Meet Your Ancient Ancestors: 6 Fascinating Prehistoric Chordates & Relatives
4 Cambrian chordates, the 1 most successful animal group of all time and your 2 closest invertebrate relatives – meet the world-changing chordates.
Protosomes: Meet Earth’s First Ancient Monsters to Rise from the Deep
What are protostomes, when did they first appear and how did they become the first rulers of ancient Earth – this is Protostomia.
Deuterostomes: The Prehistoric Connection Between T Rex, Sea Urchins and You
What are deuterostomes, when did they first appear on prehistoric Earth and what sets them apart from other animals – this is Deuterostomia.
Bilateria: The First 3D Animals who Forever Changed the Face of Prehistoric Earth
What are bilaterians, when did they first appear on prehistoric Earth and how did they change the planet forever – this is Bilateria
Eumetazoa: The First Animals with Neurons & Tissue Organs Appear on Prehistoric Earth
What are eumetazoans, when did they first appear on ancient Earth and what sets them apart from other creatures – this is eumetazoa