Abstract Waterfleas (Crustacea: Branchiopoda: Cladocera) are among the most successful
invertebrates in current freshwater ecosystems, occupying a wide range of niches …

In this complete and thorough update of Arthur Boucot's seminal work, Evolutionary
Paleobiology of Behavior and Coevolution, Boucot is joined by George Poinar, who …

Ecdysis, the process of moulting an exoskeleton, is one of the key characters uniting
arthropods, nematodes and a number of smaller phyla into Ecdysozoa. The arthropod fossil …

Three categories of fossil aggregates are recognized in the Lower Cambrian Maotianshan
Shale biota from SW China:(1) elliptical aggregates with randomly distributed exoskeletal …

This review examines the nature and chronology of the transition of ostracods from marine to
non-marine aquatic environments in the Devonian and Carboniferous. There is putative …

Conchostracans are one of the most common fossil animal groups of continental deposits
from late Palaeozoic to modern times. Their habitats have ranged from perennial lakes of the …

Conchostracans (Crustacea: Branchiopoda) are one of the best prospective invertebrate
groups for the biostratigraphy of continental deposits, especially in the otherwise fossil-poor …

The Pennsylvanian (Langsettian) Joggins Formation contains a diverse fossil assemblage,
first made famous by Lyell and Dawson in the mid-19th century. Collector curves based on c …

Branchiopod crustaceans are represented by fairy, tadpole, and clam shrimps (Anostraca,
Notostraca, Laevicaudata, Spinicaudata), which typically inhabit temporary freshwater …

An exceptionally preserved new ostracod crustacean from the Silurian of Herefordshire,
England, preserves eggs and possible juveniles within its carapace, providing an …