-
opercular series and
gular series combined are
sometimes known as the
operculo-gular or
operculogular series.
Other bones in the neck
region lost in Acanthostega...
- longas,
fundum ascidii spectantibus productis,
collo elongato erecto,
operculo orbiculato intus densissime glanduloso dorso basi
longe cornuto. (Tab....
-
applanato v. expanso, 10-50 mm lato,
costis crebris,
dentibus brevibus;
operculo ovato-oblongo,
facie inferiore non appendiculato;
ascidia superiora infundibuliformia...
- basi
ventricosis medio valde constrictis, ore
maximo ampliato,
annulo O,
operculo oblongo intus dense longe setoso. (Tab. LXXI.) Hab.—Kina Balu; alt...
- l/2 mm lato,
costis c. 1/2 mm
distantibus v. indistinctis,
dentibus 0;
operculo ovato,
facie exteriore plerumque appendicibus filiformibus,
superea basi...
-
description of N.
jamban reads: N.
jacquelineae simile sed
peristomii operculo valde porcato neque lato expanso,
ascidii super valde abrupte infundibulifor****...
- brevioribus, cr****iusculis,
oculos perparvos ad
basin internum ferentibus.
Operculo pauco-spirato.
Testa conico-turrita."
Little is
known about the biology...
-
costis 1/3-1/4 mm distantibus,
saepe indistinctis,
dentibus fere 0 ;
operculo rotundato-elliptico,
facie inferiore plano ;
ascidia superiora parva, e...
-
dentibusque 1/3-1/4 mm distantibus,
dentibus vix
longioribus quam latis;
operculo suborbiculari subcordato,
facie inferiore pilis parcis patentibus, prope...
- a****inato et elevato, ad 6 mm lato,
costis 0,2 mm distantibus,
dentibus 0.
Operculo orbiculari,
facie inferiore plano.
Ascidia superioria magna, e
parte inferiore...
