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The ecology of Paleozoic terrestrial arthropods: the fossil evidence
TLDR
It is postulated that herbivory, defined as predation on living plants, may have been rare in early Paleozoic terrestrial ecosystems, and that most primary productivity of terrestrial arthropods was diverted into higher trophic levels.
Molecular evidence for the gnathobasic derivation of arthropod mandibles and for the appendicular origin of the labrum and other structures
TLDR
This study shows that, in addition to their use in phylogenetic and population genetic studies, molecular markers can be very useful for inferring the origins of a particular morphological feature.
THE OPILIONID FAMILY CADDIDAE IN NORTH AMERICA , WITH NOTES ON SPECIES FROM OTHER REGION S (OPILIONES, PALPATORES, CADDOIDEA )
TLDR
The North American caddids appear to be mostly parthenogenetic, and C. pepperella is very likely a neotenic isolate of C. agilis.
A cladistic analysis of the opilionid superfamily Ischyropsalidoidea, with descriptions of the new family Ceratolasmatidae, the new genus Acuclavella, and four new species
A cladistic analysis ofthe opilionid superfamily Ischyropsalidoidea revealed three groups of genera, each probably monophyletic, and recognized here as families. The family Ischyropsalididae Simon is
Taxonomic notes on the armored spiders of the families Tetrablemmidae and Pacullidae. American Museum novitates ; no. 2650
The spider families Tetrablemmidae and Pacullidae are surveyed, and their relationships assessed. At present it is unclear whether the families are closest to the "dysderoids" or to the "scytodoids";
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