- Cambrian, 542 million
years ago. The Mid
Cambrian fossil Rhabdotubus johanssoni has been
interpreted as a
pterobranch hemichordate.
Opinions differ about...
- Pg N
Scientific classification Kingdom:
Animalia Phylum:
Hemichordata class:
Pterobranchia Genus:
Rhabdotubus Species R.
robustus R.
johanssoni (type)...
-
regarded as a
primitive chordate. The Mid
Cambrian fossil Rhabdotubus johanssoni has been
interpreted as a
pterobranch hemichordate,
whereas Spartobranchus...
-
Stigmella johanssoni is a moth of the
family Nepticulidae. It is only
known from the Tian Shan
Mountains in
southern Kazakhstan. The
length of the forewings...
- The
Arctic bluet (Coenagrion
johanssoni) is a
damselfly which is part of the
family of Coenagrionidae. The
Arctic bluet is
found in
Northern Europe, and...
-
Coenagrion armatum Dark
Bluet Coenagrion hastulatum Spearhead Bluet Coenagrion johanssoni Arctic Bluet Coenagrion lunulatum Crescent Bluet Coenagrion puella Azure...
-
Coenagrion interrogatum (Hagen in Selys, 1876) –
Subarctic Bluet Coenagrion johanssoni (Wallengren, 1894) –
Arctic Bluet Coenagrion lanceolatum (Selys, 1872)...
-
fervida (Verrill, 1874)
Erpobdella ****onica (Pawlowski, 1952)
Erpobdella johanssoni (Johansson, 1927)
Erpobdella krasense (Sket, 1968)
Erpobdella lahontana...
- unclear) ?Xystoscolex (Sirius P****et; fine
structure unclear) Wronascolex?
johanssoni (mid-Cambrian, Scandinavia) Maotianshania? sp. (late
early Cambrian, Scandinavia)...
- China A
palaeoscolecid worm, a
species of Wronascolex. Wronascolex?
johanssoni Sp. nov
Valid Streng,
Ebbestad & Berg-Madsen
Cambrian Sweden A palaeoscolecid...
