Filicrisia cf. allooeciata Liu in Liu, Yin & Ma, 2001

Liu, H., Liu, X. & Zágoršek, K., 2019, Cyclostome bryozoans from Qingdao, South Yellow Sea, China, Zootaxa 4603 (3), pp. 473-500 : 474

Filicrisia cf. allooeciata Liu in Liu, Yin & Ma, 2001

( Figs 1, 2 )

? Filicrisia allooeciata Liu in Liu, Yin & Ma, 2001: p. 376 , (p. 789 in English text), pl. 4, figs 1, 2. (same as F. alloceciata , pl. 4, figs 1, 2)

Material examined. Eleven colonies from samples MBM 284480, MBM 284481, MBM 0 92324, MBM 0 92317 ( Jiaozhou Bay), MBM 194795 (Luxun Park), and MBM 194944 (Beihai, Lingshan Island).

Figured material. Two colonies from MBM 0 92324 ( Jiaozhou Bay).

Description. Colony erect, flexible, with internodes consisting of a single zooid. Zooid approximately 100 µm wide at the distal end, up to 230 µm at bifurcation. Apertures circular, diameter approximately 90 µm. Pseudopores scattered, slit-like, approximately 1.9–2.1 µm wide by 20–30 µm long. No gonozooids observed in the studied material.

Remarks. The specimens described by Liu et al. (2001) do not show widening of tubes at bifurcation as seen here. Although this feature might be significant at species level, the absence of gonozooids in the new material prevents the introduction of a new species.

Liu et al. (2001) described the gonozooid of F. allooeciata as cylindrical, enlarged through the whole internode, with convex frontal walls and situated on the disto-lateral side of the maternal zooid. The ooeciopore is longer than wide and the ooeciostome is directed frontally.

Occurrence. Jiaozhou Bay, Luxun Park and Lingshan Island on rocks at about 1–5 m depth.

Figures

FIGURES 1–2. Filicrisia cf. allooeciata Liu in Liu, Yin & Ma, 2001, specimen MBM 092324, Jiaozhou Bay (Qingdao), 5 m depth on stone. 1. General view of the infertile colony. 2. Detail of bifurcation showing the wider part of the colony before bifurcation. Scale bars: 1 = 1 mm; 2 = 100 µm.