New species of Duplominona Karling, 1966 (Platyhelminthes, Proseriata) from the Pacific coast of Panama
Author
Curini-Galletti, Marco
Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari, Italy
Author
Carcupino, Marcella
Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari, Italy & carcupin @ uniss. it; https: // orcid. org / 0000 - 0002 - 0484 - 3043
Author
Stocchino, Giacinta A.
Dipartimento di Medicina Veterinaria, Università di Sassari, Sassari, Italy & stocchin @ uniss. it; https: // orcid. org / 0000 - 0002 - 7005 - 208 X
Author
Leasi, Francesca
Department of Biology, Geology and Environmental Sciences, University of Tennessee at Chattanooga, USA francesca-leasi @ utc. edu; https: // orcid. org / 0000 - 0001 - 6995 - 0934
Author
Norenburg, Jon L.
Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, DC, USA NORENBUR @ si. edu; https: // orcid. org / 0000 - 0001 - 7776 - 1527
text
Zootaxa
2020
2020-11-20
4881
3
482
498
journal article
9528
10.11646/zootaxa.4881.3.3
56a43dc1-9576-49d5-8650-255e66c48add
1175-5326
4283896
8A41020C-A131-4163-B3C6-D3398647EB4B
Duplominona macrodon
Curini-Galletti
n. sp.
(
Fig. 9
)
Holotype
.
Gulf
of
Panama
:
Iguana Island
(Lat.
7°37’43.29”N
; Lon.
80°0’0.32”W
), at a depth of about
5 m
, in medium coarse sand,
march 2016
, one whole mount (
USNM 16225600
).
Other material
. Same data as holotype, one specimen observed alive, and prepared as semi-permanent mount (
Fig. 9 H
).
Etymology
. The specific epithet refers to the large size of the spines of the copulatory organ of the new species.
Description
. A medium-sized, stout
Duplominona
,
about
2 mm
long. Cephalic end with oily dots, and rodshaped rhabdoids. Caudal end pointed. Pharynx just behind midbody (
Fig. 9 A, E
).
Male genital system
. With about 16 testes in two parallel rows. Copulatory organ ovoid, lined by a very thin muscular layer. Cirrus small, formed by a single girdle of few (13–15) large to very large spines, 8–18 μm long. Spines vary in shape from triangular to almost needle-like (
Fig. 9 C, D, F, H
). Accessory organ ovoid, 32–35 μm across, with a small stylet about 12 μm long. Accessory organ pore very close to female pore.
Female genital system
. Ovaria and vitellaria as in previous species. With a spherical bursa, close to the copulatory organ, and provided with a large vaginal pore (
Fig. 9 B, G
:
v
).
Diagnosis
. Species of
Duplominona
with a single girdle of large spines, 8–18 μm long, triangular to needleshaped.