Cymulopora uniserialis Winston & Håkansson, 1986

Winston, Judith E. & Vieira, Leandro M., 2013, Systematics of interstitial encrusting bryozoans from southeastern Brazil, Zootaxa 3710 (2), pp. 101-146 : 109

Cymulopora uniserialis Winston & Håkansson, 1986

( Figure 6 ; Table 4 )

Cymulopora uniserialis Winston & Håkansson, 1986: 16 , figs 31–36.

Material examined. MZUSP 687, #16 [16 colonies], near BIOTA Stn 205, 15 m; MZUSP 709 ( Fig. 6 ), measured specimen #1 on SEM coverslip, BIOTA Stn 211; VMNH 70003, measured specimens #2 and #3, BIOTA Stn 211; VMNH 70004, one specimen from BIOTA Stn 211.

Description. Colony encrusting, uniserial, composed of chains of zooids that bud in both directions from the ancestrula. Zooids oval to pyriform with high lateral walls forming a raised oval rim and a short tubular caudal region. Smooth sunken cryptocyst extending to the bell-shaped opesia that occupies the distal half of the total zooid length. No avicularia. Ovicell endozooidal; marked by a thickening of calcification at the distal end of the mural rim.

Remarks. Winston & Håkansson (1986) described the new genus and species Cymulopora uniserialis , characterized by a smooth cryptocyst, triangular opesia, endooecial ooecia and the absence of avicularia. This is the first record of this species since its original description.

Distribution. Florida and Brazil (São Paulo state).

Figures

FIGURE 6. Cymulopora uniserialis Winston & Håkansson, 1986: A, colony of three zooids on a sand grain. B, close-up of outermost zooid, showing the development of the small distal tubercle indicating this was a sexually reproductive brooding zooid. Scale bars: A, 0.2 mm; B, 0.05 mm.

Tables

TABLE 4. Measurements (in mm) of Cymulopora uniserialis Winston & Håkansson, 1986.

	Lz	Wz	Lop	Wop
N	6	6	6	6
Mean	0.222	0.144	0.072	0.065
SD	0.022	0.016	0.011	0.009
Min	0.198	0.126	0.054	0.054
Max	0.252	0.162	0.090	0.072