-
Yuknessia is an
early pterobranch,
known from the
Burgess shale, the
Chengjiang and the
Wheeler shale. Long,
unbranched fronds emerge from a
central holdfast-like...
-
budding to
create a new colony. The
earliest pterobranchs,
including Yuknessia and Galeaplumosus, are
known from mid-Cambrian Lagerstätten.
Earlier small...
- to
Yuknessia,
another enigmatic fossil recently described as a pterobranch,
including rigid and
similarly sized tubes,
although those of
Yuknessia are...
- Schiffbauer;
Shuhai Xiao &
Anthony Kramer (2015). "A
reexamination of
Yuknessia from the
Cambrian of
British Columbia and Utah".
Journal of Paleontology...
- 1933 ?†Malongitubus Hu, 2005 ?†Sphenoecium
Chapman & Thomas, 1936 ?†
Yuknessia Walcott, 1919 †Calyxhydra Kozlowski, 1959 †Chitinodendron Eisenack, 1937...
- the formation. This ****ociation is
similar to the
ecology reported for
Yuknessia from the
Burgess Shale.
Schizograptus ?S. sp.
Baltograptus minutus zone...
- Hylolit****us sp. - annelid?
Wiwaxia corrugata - halwaxiid?
lophotrochozoan Yuknessia simplex -
pterobranch Margaretia dorus -
possibly organic tube ****ociated...
-
Protohertzina sp.
Purella antiqua Vendotaenia sp. Yanjia****a
biscarpa Yuknessia sp. Dong et al., 2009
Yanjiahe Formation at Fossilworks.org Guo et al...
-
Galeaplumosus G.
abilus Shankouclava S.
anningense S.
shankouense Likely the
earliest known tunicate,
alongside Palaeoikopleuria.
Yuknessia Y. simplex...
- Schiffbauer;
Shuhai Xiao;
Anthony Kramer (2015). "A
reexamination of
Yuknessia from the
Cambrian of
British Columbia and Utah".
Journal of Paleontology...
