FN Archimer Export Format
PT J
TI Disconnection between genetic and morphological diversity in the planktonic foraminifer Neogloboquadrina pachyderma from the Indian sector of the Southern Ocean
BT 
AF ANDRE, Aurore
   QUILLEVERE, Frederic
   SCHIEBEL, Ralf
   MORARD, Raphael
   HOWA, Helene
   MEILLAND, Julie
   DOUADY, Christophe J.
AS 1:1;2:2;3:1,3;4:4;5:1;6:1,4;7:5,6;
FF 1:;2:;3:;4:;5:;6:;7:;
C1 Univ Angers, UMR CNRS 6112 LPG BIAF, 2bd Lavoisier, F-49100 Angers, France.
   Univ Claude Bernard Lyon 1, Univ Lyon, UMR 5276 LGL TPE, ENS Lyon,CNRS, F-69622 Villeurbanne, France.
   Max Planck Inst Chem, Hahn Meitner Weg 1, D-55128 Mainz, Germany.
   Univ Bremen Univ, MARUM, Leobener Str 8, D-28359 Bremen, Germany.
   Univ Claude Bernard Lyon 1, Univ Lyon, UMR 5023 LEHNA, ENTPE,CNRS, F-69622 Villeurbanne, France.
   Inst Univ France, Paris, France.
C2 UNIV ANGERS, FRANCE
   ENS, FRANCE
   INST MAX PLANCK, GERMANY
   UNIV BREMEN MARUM, GERMANY
   UNIV LYON, FRANCE
   INST UNIV FRANCE, FRANCE
IF 2.663
TC 7
UR https://archimer.ifremer.fr/doc/00461/57224/59199.pdf
LA English
DT Article
CR VT 114 / OISO-19
   VT 120 / OISO-21
BO Marion Dufresne
DE ;Morphospecies;Genetic types;Polar waters;Biogeography;Morphometric analyses;Ribosomal DNA
AB Eight SSU rDNA genetic types have been described in the planktonic foraminifera Neogloboquadrina pachyderma, but the level of correlation between genetic diversity and morphological variation remains unknown in this morphospecies. In this study, we combine molecular and morphometric analyses of specimens of N. pachyderma sampled during two consecutive years across a latitudinal gradient in the Indian sector of the Southern Ocean. We observe that three genetic types of N. pachyderma inhabit the (sub-)polar waters of the southern Indian Ocean where they have equivalent regional distributions to those previously observed in the South Atlantic. The geographic ranges of these genetic types are largely overlapping. Our morphometric data show that contrary to other planktonic foraminiferal morphospecies, there is no relationship between genetic diversity and morphological differentiation in at least two of the austral representatives of N. pachyderma (Type III and Type IV) despite a high morphological variability and large genetic distance between these types. These genetic types of N. pachyderma in the southern Indian Ocean thus constitute true cryptic species of planktonic foraminifera. 
PY 2018
PD OCT
SO Marine Micropaleontology
SN 0377-8398
PU Elsevier Science Bv
VL 144
UT 000452937700002
BP 14
EP 24
DI 10.1016/j.marmicro.2018.10.001
ID 57224
ER

EF