First record of the sea anemone Diadumene lineata (Verrill 1871) associated to Spartina alterniflora roots and stems, in marshes at the Bahia Blanca estuary, Argentina

2008 ◽  
Vol 11 (2) ◽  
pp. 409-416 ◽  
Author(s):  
Lucas M. Molina ◽  
Macarena S. Valiñas ◽  
Paula D. Pratolongo ◽  
Rodolfo Elias ◽  
Gerardo M. E. Perillo
Zootaxa ◽  
2020 ◽  
Vol 4763 (1) ◽  
pp. 125-137
Author(s):  
CATALINA DI ROSSI ◽  
MICHEL SCIBERRAS ◽  
VERONICA N. BULNES

A new species of amphipod, Ptilohyale corinne sp. nov. (Hyalidae) is described from the Bahía Blanca estuary (38°53’S, 62°07’W) in Buenos Aires Province, Argentina. Ptilohyale corinne sp. nov. can be differentiated from its valid congeners by having two posterior marginal cusps on coxa 2 and 3, and asymmetrical telson lobes with a particular combination of setae: each lobe with three dorsal plumose setae and one seta on inner margin. This is the first record of Ptilohyale in South America. Additionally a key to the valid species of the genus is provided 


2012 ◽  
Vol 60 (2) ◽  
pp. 259-263 ◽  
Author(s):  
Vanesa L Negrin ◽  
Gabriela González Trilla ◽  
Patricia Kandus ◽  
Jorge E Marcovecchio

2017 ◽  
Vol 10 (1) ◽  
Author(s):  
M. Sofía Dutto ◽  
Gabriel N. Genzano ◽  
Agustín Schiariti ◽  
Julieta Lecanda ◽  
Mónica S. Hoffmeyer ◽  
...  

Zootaxa ◽  
2011 ◽  
Vol 3027 (1) ◽  
pp. 9 ◽  
Author(s):  
DANIEL LAURETTA ◽  
ESTEFANÍA RODRÍGUEZ ◽  
PABLO E. PENCHASZADEH

During 2007, 2008, and 2010, 23 specimens of an undescribed vermiform sea anemone were collected on Punta Pardelas and Fracaso Beach (Península Valdés, Argentina). The specimens have longitudinal rows of cinclides distally, all mesenteries perfect, tentacles hexamerously arranged without acrospheres, column not divisible into regions, no marginal sphincter and no conchula. We describe these specimens as a new species within the genus Harenactis (family Haloclavidae). Harenactis argentina sp. nov. is the second species of Harenactis; it represents the first record of this genus in the southern hemisphere and the first record of a soft bottom-dwelling sea anemone in the Argentine continental zone. Furthermore, we discuss the familial placement and relationships of the genus Harenactis and other athenarian sea anemones.


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