372-373 Ostracode Families and the Zaphrentidae Plants

372-373 Ostracode Families and the Zaphrentidae PlantsBAP #372 373 1. The ostracode families Bythocytheridae, Healdiidae, and Bairdiocyprididae in the Pennsylvanian of the Appalachian Basin written by R. D. Hoare Numerous specimens representing Bythocytheridae, Healdiidae, and Bairdiocyprididae were found in Pennsylvanian shales and limestones at 59 localities in the Appalachian basin. The presence of the genus Asturiella Bless in collections of Morrowan age helps to confirm a close relationship between

including many of the leading American scientists of their times

1977b) are redefined and related as accurately as possible to Upper Jurassic chronostratigraphic units

On the basis of simple criteria we subdivide the Tethyan Realm into: (1) A Central Tethyan Province characterized by the presence of Ristola Pessagno and Whalen

One new superfamily

Genotypic and ecophenotypic factors acted in concert with the structural control of growth to determine variations within individual species

In this sense

The latter taxon has unique accessory plates and major cup plate shapes

Only one species was found to be endemic to the Dominican Republic and only one confined to the norther Caribbean

closed bivalve shells

and the middle Mosalem Formation are Early Silurian (early Early Llandovery)

and three are new species: Lyria gabbi

It contains a diverse and abundant fauna dominated by trepostome bryozoans