The East Pacific / South Pacific Boundary: New taxa and occurrences from Rapa Nui (Easter Island), New Caledonia and adjacent regions
Author
Mah, Christopher L.
text
Zootaxa
2021
2021-06-02
4980
3
401
450
journal article
5948
10.11646/zootaxa.4980.3.1
f36e1c1f-1bfa-4fbc-b2dd-5edf6c7173af
1175-5326
4896889
F1FCA8AC-A984-4547-8A05-F1993BDAEE7C
Linckia columbiae
Gray, 1840
Figure 11A–F
Gray 1840: 285
;
Fisher 1911: 242
;
Ziesenhenne 1937: 216
;
Maluf 1988: 37
, 120 (as
L. columbiae
).
Müller & Troschel 1842: 33
;
Dujardin & Hupe 1862: 364
(as
Ophidiaster
).
Comments.
This synonymy extends the occurrence of this species westward from the coast along Baja and Central America to Malpelo Island at
36.5–48.7 m
depth.
Occurrence.
Southern California, Baja California, to northern
Peru
, westward to Malpelo Island. intertidal to
156 m
(according to
Maluf 1988
).
Synonymy of
Tamaria stria
Downey.
Examination
of the
holotype
of
Tamaria stria
Downey (1971)
revealed that its morphology was identical and is a synonym of
Linckia columbiae
Gray, 1840
.
Tamaria
is characterized by six linear papular rows. The
holotype
and
paratypes
of
Tamaria stria
show four distinct rows with the top two rows of plates showing consistently irregularly developed patterns along the central or carinal region. The arrangement and morphology of the furrow and subambulacral spines are identical, with specimens showing distinctly thickened and round subambulacrals in direct contact with furrow spines showing oval to round shape in cross-section and with a third irregular to weak developed series of enlarged granules outside but located near but away from the subambulacrals.
Material examined.
Holotype
(
Tamaria stria
):
USNM
E11838. Isla
de Malpelo
,
Colombia
,
36.5–48.7 m
.
Coll. C. Birkeland
,
March 1972
. 1 dry spec.
R
=4.4, r=0.8.
Paratypes
(
Tamaria stria
):
USNM
E12431. Isla de
Malpelo
, on rubble near base of vertical rock wall,
Colombia
,
36.5–48.7 m
.
Coll. C. Birkeland
,
March 1972
. 1 dry spec.
R
=2.9, r=
0.4 cm
.
USNM
E11839. Isla de
Malpelo
,
Colombia
,
36.5–48.7 m
.
Coll. C. Birkeland
,
March 1972
. 3 dry spec.
R
=4.4, r=
0.8 cm
;
R
=3.8, r=0.5;
R
=2.3, r=0.4.