http://gallery.obs-vlfr.fr/gallery2/main.php http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/Ptychocylis_acuta.jpg.html 83193 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/arcst42ptycocylis64x.jpg.html 96138 Ptychocylis acuta from the Chukchi Sea http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/arcst22ptyochocylis40xbis.jpg.html 96162 Ptychocylis obtusa from the Chukchi Sea (St 22 of the cruise Araon 003) http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/ArcticSt22Pyto40xbis.jpg.html 96395 Ptychocylis acuta from the Chukchi Sea http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/arcst18pytocylis40x.jpg.html 96434 Ptychocylis acuta from the Chukchi Sea (Station 18 of the Araon Cruise 003) http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/arc2012pytcho40xst50.jpg.html 96668 Ptychocylis obtusa from the Chukchi in 2012, Ara003 cruise St 50. This elongated morphotype was about half the population. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/PtychocylisSized.jpg.html 97809 Dimensions of the most common Pytchocylis species based on the text of the original species descriptions. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/Clapare__dePtychocylis.jpg.html 97806 The type species of the genus Ptychocylis is P. urnula described originally by Claparède & Lachmann as Tintinnus urnula in 1858. Lorica dimensions given as averaging 140 µm in length and 100 µm in diameter. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/PtychocylisAcutaBrandt1896.jpg.html 83197 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/toothlessptych40xcanbas2013st13.jpg.html 97843 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/ptychocylisobtusalongy40xst15canbas2013.jpg.html 97856 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/ptychocyliscox40xst15canbas2013.jpg.html 97859 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/ptychocylisdrygal40xst15canbas2013.jpg.html 97862 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/ptychocylis40xst13can2013.jpg.html 97865 http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/60xpytchSt42above80.jpg.html 101230 Ptychocyis obtusa from above 80°N (2012 summer of record low sea-ice) http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/32xpytcho2015ARA06st17.jpg.html 103036 Ptychocyis obtusa from the Chukchi Sea (Arctic) in August 2015. http://gallery.obs-vlfr.fr/gallery2/v/Aquaparadox/Tins/Ptychocylis/Fig6Ptycho2014St9First18cells.jpg.html 106645 Morphological variability of Ptychocylis obtusa. The first 18 cells properly orientated encountered in the sample from Station 9, 2014 cruise. Some lorica morphologies resemble: P. drygalski (C) and P. acuta (F & O).