Lafoeina longitheca Jäderholm, 1904

Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), Zootaxa 4570 (1), pp. 1-78 : 24

Lafoeina longitheca Jäderholm, 1904

( Fig. 7a )

Material examined. ANT XV/3: 48-77, few hydrothecae, on Halecium pseudodelicatulum Peña Cantero, 2014 ; ANT XVII/3: 111-5, several hydrothecae, on L. dumosa and O. terranovae , with gonothecae; 111-9, numerous hydrothecae, on O. terranovae , T. longstaffi and polychaete tube; 111-18, numerous hydrothecae, on C. hicksoni , H. interpolatum , O. terranovae , Sc. nana and undeterminate hydrorhiza; ANT XXI/2: PS65/251, numerous hydrothecae, on O. terranovae ; PS65/281, several hydrothecae, on B. subrufa and Sy. cumberlandicus .

Ecology and distribution. Species reported at depths from five ( Stepanjants 1979) to 701 m ( Peña Cantero 2014a); present material comes from 62 to 360 m. Pan-Antarctic species ( Peña Cantero & Vervoort 2009).

Figures

FIGURE 7. a Lafoeina longitheca: hydrotheca. b–c Stegella lobata: b stem showing hydrothecal arrangement; c gonotheca. d Phialella belgicae: hydrotheca. e–h Campanularia hicksoni: e general view of the colony; f hydrotheca; g pioneer polyp showing planula attachment; h gonotheca. i–j Campanularia sp.: i hydrotheca; j developing gonotheca. k–m Billardia subrufa: k general view of a colony growing on Oswaldella erratum; l stem showing hydrothecal arrangement; m gonothecae.