Filkornia Löser, 2012

Löser, Hannes, 2013, Revision of the family Felixaraeidae (Scleractinia; Cretaceous), Geodiversitas 35 (4), pp. 747-765 : 754

Genus Filkornia Löser, 2012

TYPE SPECIES. — Filkornia parasolitaria Löser, 2012 .

DIAGNOSIS. — Astreoid colony.Calices large.Radial elements regularly but not abundantly perforated.Microstructure of large trabeculae. Radial elements in cross section thick on the outside, getting thinner towards the centre. First cycles disproportionately thicker compared with younger ones. Symmetry of radial elements irregularly radial. Cycles of radial elements subregular.Septal cycles differ in length and thickness. Radial elements free. Septal upper border coarsly granulated, lateral face with numerous large thorns, inner margin slightly swollen in places. Some radial elements of the first cycle are attached to the columella. Costae present, but short, non-confluent. Synapticulae present. Columella consists of a large group of isolated trabeculae, endotheca of numerous thin tabulae. Wall compact, septothecal. Coenosteum absent. Budding intracalicinal.

RANGE. — Maastrichtian.

DISTRIBUTION. — Western Atlantic.

Filkornia parasolitaria Löser, 2012 ( Fig. 1 J-L)

Filkornia parasolitaria Löser, 2012: 539 , figs 3a-j, 4a, 6a (v).

? Trochoseris catadupensis – Wells 1934: p. 78, pl. 2, figs 9, 10. — Filkorn et al. 2005: 123, fig. 2h (v).

Trochosmilia hilli – Filkorn et al. 2005, fig. 2d (v).

Cyathoseris formosa – Baron-Szabo et al. 2006: 1041, fig. 5.7 (v).

Mycetophyllia multistellata – Baron-Szabo 2006: 42, pl. 5, fig. 5, pl. 7, figs 2, 3 (v).

REMARKS

For details compare to Löser (2012).

Figures

FIG. 1. — A-C, Felixaraea agassizi (Vaughan, 1899); A, B, holotype of Leptophyllia agassizi (MCZ 114215); A, transversal section. B, longitudinal section; C, USNM #427, transversal thin section; D-F, Felixaraea pratzi (Felix, 1903); D, syntype of Haplaraea pratzi (BSPG 1878 XI 413#1),transversal thin section; E, F, GPS FLX 8028; E, transversal thin section; F, longitudinal thin section; G-I, Felixaraea rennensis Beauvais, 1982; G, holotype of Felixaraea rennensis (MNHN.F.R10953), transversal thin section; H-I, GPS FLX 8027. H, transversal thin section; I, longitudinal thin section; J-L, Filkornia parasolitaria LÖser, holotype (ERNO L-7043); J, colony surface. K, transversal thin section; L, longitudinal thin section. Scale bars: A, C-L, 10 mm; B, 5 mm.