Match the Late Paleozoic time period with the appropriate life. You will use them more than once. 1234 Seedless vascular plants diversify; first seeds evolve. 1234 Large, spindle-shaped, fusulinid foraminifera are well known guide fossils of this time. 1234 Huge insects thrive in vast, wooded, wetland habitats. 1234 First pelycosaur reptiles. 1234 First mammal-like reptiles; therapsids. 1234 Age of fish 1234 Amphibians evolve. 1234 Crinoid echinoderms were most diverse and abundant during this time. 1234 Major mass extinction at the end, 1234 True gymnosperms appear. 1234 Reef-building productid brachiopods widespread and diverse. 1234 First reptiles on land. Devonian Mississippian Pennsylvanian Permian 1234 Seedless vascular plants diversify; first seeds evolve. 1234 Large, spindle-shaped, fusulinid foraminifera are well known guide fossils of this time. 1234 Huge insects thrive in vast, wooded, wetland habitats. 1234 First pelycosaur reptiles. 1234 First mammal-like reptiles; therapsids. 1234 Age of fish 1234 Amphibians evolve. 1234 Crinoid echinoderms were most diverse and abundant during this time. 1234 Major mass extinction at the end, 1234 True gymnosperms appear. 1234 Reef-building productid brachiopods widespread and diverse. 1234 First reptiles on land. 1. Devonian2. Mississippian3. Pennsylvanian4. Permian.