''Palaeobranchiostoma hamatotergum'' is an extinct
cephalochordate
A cephalochordate (from Greek: κεφαλή ''kephalé'', "head" and χορδή ''khordé'', "chord") is an animal in the chordate subphylum, Cephalochordata. They are commonly called lancelets. Cephalochordates possess 5 synapomorphies, or prima ...
from the
Early Permian 01 or '01 may refer to:
* The year 2001, or any year ending with 01
* The month of January
* 1 (number)
Music
* '01 (Richard Müller album), 01'' (Richard Müller album), 2001
* 01 (Son of Dave album), ''01'' (Son of Dave album), 2000
* 01 (Urban ...
-aged Whitehill Formation in
South Africa
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded to the south by of coastline that stretch along the South Atlantic and Indian Oceans; to the north by the neighbouring countri ...
.
[Oelofsen, B. W., and J. C. Loock. "A FOSSIL CEPHALOCHORDATE FROM THE EARLY PERMIAN WHITEHILL FORMATION OF SOUTH-AFRICA." South African Journal of Science 77.4 (1981): 178-180]
/ref> It is known from a single, 11 mm long specimen found in black shale.[Blieck, Alain. "At the origin of chordates." Geobios 25.1 (1992): 101-113.]
See also
*''Pikaia
''Pikaia gracilens'' is an extinct, primitive chordate animal known from the Middle Cambrian Burgess Shale of British Columbia. Described in 1911 by Charles Doolittle Walcott as an annelid, and in 1979 by Harry B. Whittington and Simon Conway ...
''
*''Cathaymyrus
''Cathaymyrus'' is a genus of Early Cambrian cephalochordate known from the Chengjiang locality in Yunnan Province, China. Both species have a long segmented body with no distinctive head. The segments resemble the v-shaped muscle blocks found in ...
''
References
{{Taxonbar, from=Q30594213
Permian animals of Africa
Cephalochordata
Prehistoric chordate genera