Conchostraca

Conchostraca

[käŋ′käs·trə·kə]
(invertebrate zoology)
An order of mussellike crustaceans of moderate size belonging to the subclass Branchiopoda.
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Some taxa that are commonly sampled in these temporary environments include Anostraca, Notostraca, Conchostraca, Cladocera, Ostracoda, Corixidae, Notonectidae, Dytiscidae, and Hydrophilidae (Hutchinson 1932; Rzoska 1961; Weir 1969; Williams 1985; Seaman et al.
from 2002 through 2006, across sites of sympatry (S) and allopatry (A) in the Tennessee-Tombigbee Waterway LS-S LS-A MA-S AM-A Phylum Arthropods Subphylum Chelicerata Arachnids 1 3 3 2 Subphylum Crustacea Amphipoda 0 0 1 0 Anostraca 0 2 5 89 Argulus 0 0 6 1 Calonoida 0 0 3 0 Conchostraca 2 0 25 9 Cyclopoida 23 0 179 4 Daphnia lumholtzi 67 0 642 417 Daphnia sp.
1987--Les Crustaces Branchiopodes Anostraca, Notostraca et Conchostraca des milieux limniques temporaires (Dayas) au Maroc.
Insects, Notostraca, and Conchostraca are also frequent, mostly in the Salagou Formation (see infra).
Their planktonic fish belong to many genera of branchiopods (of the orders Anostraca, Conchostraca, and Notostraca) and copepods.
Clam shrimps, of the order Conchostraca, are generally described as being encased in a bivalved carapace (Fig.
External morphology and phylogenetic significance of the dorsal/neck organ in the Conchostraca and the head pores of the cladoceran family Chydoridae (Crustacea, Branchiopoda).
8 67 Decopoda 1 [less than]1 17 Conchostraca 1 [less than]1 17 Gastropoda 26 8 100 Planonbidae Diptera 1 [less than]1 17 Hemiptera 2 [less than]1 17 Trichoptera 2 [less than]1 33 Odanata 1 [less than]1 17 Coleoptera 3 [less than]1 17 Haliplidae Insect parts 7 2.
Higher values of taxonomic richness were recorded in August and from a total of 50 taxa identified, the most frequent with 100% of occurrence were Hirudinea, Oligochaeta, Hydrachnidiae, Conchostraca, Ostracoda, Noteridae, Ceratopogonidae, Chironomidae, Culicidae, Caenidae, Pleidae, Aeshnidae, Libellulidae, Coenagrionidae and Nematoda.