taxonID	type	description	language	source
6A235189B0DC5FE02B472636CF05344F.taxon	materials_examined	Type. Neotype deposited in Canadian Museum of Nature Collection; voucher number CMNC 2002 - 0071 (Bousfield and Hendrycks 2002).	en	Brutto, Sabrina Lo, Iaciofano, Davide (2018): A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyalelittoralis and the Mediterranean endemic Parhyaleplumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62, DOI: http://dx.doi.org/10.3897/zookeys.754.22884, URL: http://dx.doi.org/10.3897/zookeys.754.22884
6A235189B0DC5FE02B472636CF05344F.taxon	materials_examined	Material examined. One hundred and twenty-six specimens were collected at the Bay of Arcachon France (43 ° 34 ' N, 1 ° 14 ' W), 13 October 2015; intertidally, 0 m, on the heavy substrate of the semi-closed beach (MZPA-AMPH- 0024).	en	Brutto, Sabrina Lo, Iaciofano, Davide (2018): A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyalelittoralis and the Mediterranean endemic Parhyaleplumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62, DOI: http://dx.doi.org/10.3897/zookeys.754.22884, URL: http://dx.doi.org/10.3897/zookeys.754.22884
6A235189B0DC5FE02B472636CF05344F.taxon	description	Description. Male. 11.4 mm length specimen. Antenna II ventral margins of the 5 th peduncular article and first 4 - 9 flagellar articles (other one or two articles with sparse plumose setae) densely covered with plumose setae (brush setae). Palp of maxilla I with median constriction. Coxal plate I sub-quadrate with distinctive cups; Gnathopod I, basis lacking distinct anterodistal lobe (hydrodynamic lobe). Gnathopod II, carpus lobe present in juvenile male and absent on adult male. Coxal plate V posterior lobe smaller than anterior lobe; Peraeopod V, basis rounded. Peraeopod VII slender, basis rounded. Uropod I, peduncle with one distomedial robust seta; rami subequal with 3 - 4 robust setae on outer ramous and 1 - 2 robust setae on inner ramus. Uropod II, rami sub-equal in length. Uropod III, outer ramus with 5 - 9 apical robust setae. Telson acute. Female. Description based on a 10.6 mm length specimen. Gnathopod I, basis with anterodistal lobe.	en	Brutto, Sabrina Lo, Iaciofano, Davide (2018): A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyalelittoralis and the Mediterranean endemic Parhyaleplumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62, DOI: http://dx.doi.org/10.3897/zookeys.754.22884, URL: http://dx.doi.org/10.3897/zookeys.754.22884
6A235189B0DC5FE02B472636CF05344F.taxon	distribution	Distribution. Northern, western, and eastern Atlantic coasts; north eastern Pacific coast.	en	Brutto, Sabrina Lo, Iaciofano, Davide (2018): A taxonomic revision helps to clarify differences between the Atlantic invasive Ptilohyalelittoralis and the Mediterranean endemic Parhyaleplumicornis (Crustacea, Amphipoda). ZooKeys 754: 47-62, DOI: http://dx.doi.org/10.3897/zookeys.754.22884, URL: http://dx.doi.org/10.3897/zookeys.754.22884
