Heliopora incrustans Nielsen, 1917

Heliopora incrustans Nielsen, 1917

Fig. 13B View Fig

*1917 Heliopora incrustans n. sp.: Nielsen, p. 12 ‒ 13, Figs. 16 ‒ 17.

1990 Heliopora incrustans Nielsen, 1917 : Bernecker & Weidlich, p. 115, Pl. 31, Fig. 5 View Fig , Pl 32, Fig. 4 View Fig .

2014 Heliopora incrustans ( Nielsen, 1917) : Lauridsen & Bjerager, p. 5ff., Fig. 4A View Fig .

Dimensions. d (small): 0.5 ‒ 1.1 mm; d (great): up to around 1.8 mm; pseudosepta: ranging between 20 and 30; tubes/0.5mm 2: generally 10 ‒ 15.

Description. Small (around 10 mm in diameter), massive colony; corallite tubes are subcircular in outline; pseudosepta developed extremely irregularly in size and thickness, some are around 20% the corallite diameter in length, other are spine ‒ like and less than 50 µm in length. Type locality of species. Middle Danian of Denmark (Faxe limestone).

Distribution. Middle Danian of Denmark (Fakse limestone), Selandian or Tanetian of Iran (Zagros Zone, southwestern Iran; this paper).

New material. Qs86 (1 ‒ 4) (Zagros Zone, southwestern Iran).

Remarks. Species Heliopora incrustans well documented in Lauridsen & Bjerager, (2014, Fig. 4A View Fig ).