Appendix 6.3(34). Freshwater and brackish water benthic organisms 

 in southeastern Louisiana Inland Open Water Habitat. 



Freshwater macrobenthos (Thomas 1976, Lafourche Parish) 

 Arthropoda 



Crustacea 



Gammaridae (Amphipods) 



Cra ngonyx sp . 

 Talitridae (Amphipods) 



Hyalella azteca 

 Decapoda ( re d swamp crayfish) 

 Cainbaridae 



Procambarus clarkil 

 Cambarellus shufelatii 

 Orconectes lancifer 

 Isopoda 

 Cirripedia 



Balanidae 



Balanus sp . 



Insecta (see freshwater meiobenthos) 



Annelida 



Hirudinea (leeches) 

 Hirudidae 



Macrobdella ditetra 

 Gloss iphoniidae 



Placobdella sp . 



Bryozoa 



Phylactolaemata 

 Lophopodidae 



Pectinatella magnifica 



Mollusca 



Gastropoda 



Ancylidae (limpets) 



Laevapex sp . 

 Lymnaeidae 



Pse udosuccinea sp . 

 Viviparidae 



Viviparus sp . 

 Bythinidae 



Pomatopyrgus sp . 

 Physidae 



Physa sp . 

 Planorb idae 



Heliosoma sp . 



Gyraulus sp. 



continued 

 239 



