Pseudodistoma megalarva Monniot F. & Monniot C., 1996
publication ID |
https://doi.org/ 10.5281/zenodo.5391440 |
persistent identifier |
https://treatment.plazi.org/id/F57D87A3-FFC5-3121-EA52-FCD4FB971080 |
treatment provided by |
Marcus |
scientific name |
Pseudodistoma megalarva Monniot F. & Monniot C., 1996 |
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Pseudodistoma megalarva Monniot F. & Monniot C., 1996 View in CoL
Pseudodistoma megalarva Monniot F. & Monniot C., 1996: 147 , fig. 6F, J, pl. 2A. Type locality: Indonesia. MATERIAL EXAMINED. — Palau. Koror, West Uchelbeluu Reef, Short Dropoff, 7°16.51’N, 134°31.55’E, 10 m, 12.VIII.1996 (MNHN A1 PSE 38). — Siaes tunnel, west barrier reef, 7°18.76’N, 134°13.50’E, 3 m, 22.XII.1997 (MNHN A1 PSE 48).
Pseudodistoma novaezelandiae ( Brewin, 1950) View in CoL ( Figs 20 View FIG ; 114F View FIG )
Sigillinaria novaezelandiae Brewin, 1950: 534 . Type locality: New Zealand.
Pseudodistoma novaezelandiae View in CoL – Millar 1982: 44.
MATERIAL EXAMINED. — Papua New Guinea. Louisiade Archipelago, Conflict Group, 10°43.52’S, 151°44.54’E, 40 m, 29. V.1998 ( MNHN A1 PSE 54). — Coral Sea, eastern fields, 10°02.22’S, 145°33.01’E, 23 m, 14. VI.1998 ( MNHN A1 PSE 53).
DESCRIPTION
The colonies form elongate, ovoid stoutly pedunculate lobes arising from a common base. The sand-free tunic is opaque, brown ( Fig. 114F View FIG ) or dark grey with white perisiphonal patches. There are no systems. The thoraces lie perpendicular to the colony surface, both siphons opening near each other. The abdomen and very long postabdomen lie parallel to the lobe’s long axis. The post-abdomen is so long that the zooid may reach 5 cm. Both siphons have six lobes ( Fig. 20A View FIG ). The thorax is wider than high. There are three rows of numerous stigmata. We counted about 20 longitudinal muscles on each side, regularly spaced.
The abdomen ( Fig. 20A View FIG ) is longer than the thorax and has a long oesophagus. The stomach has a smooth wall or four folds. The post-abdomen is particularly long and contains the gonads in its very posterior part, with the ovary immediately anterior to the testis follicles ( Fig. 20B View FIG ).
The larvae are incubated in a dilated pouch of the cloacal cavity, without peduncle.
The larval trunk measures 0.72 mm. It has three large adhesive papillae in a line, each encircled by a cup-shaped structure made of thin lamellae ( Fig. 20C View FIG ).
REMARKS
This species is characterised by its larvae and by the opaque and pigmented tunic of the pedunculate lobes of the colony. It has been known only from the north of New Zealand.
V |
Royal British Columbia Museum - Herbarium |
MNHN |
Museum National d'Histoire Naturelle |
VI |
Mykotektet, National Veterinary Institute |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Genus |
Pseudodistoma megalarva Monniot F. & Monniot C., 1996
Monniot, Françoise & Monniot, Claude 2001 |
Pseudodistoma novaezelandiae
MILLAR R. H. 1982: 44 |
Sigillinaria novaezelandiae
BREWIN B. I. 1950: 534 |