Corallites a subhemispherical mass, its thin edge closely adherent to dead portion.

Corallites polygonal with oval calices; relatively small, biggest 5 x 7 mm diameter, 3- 4 mm deep. Reproduction by subequal fission. Wall thick (average 2 mm), rounded.

Septa thick, around 25 in big, non-dividing calice, around one half reaching or almost reaching columella, the rest very narrow, occasionally alternating with larger ones; some of higher order (cycle) joining medially with bigger so triplets recognizable in some places. Septa of one calicle continuous with those of same rank from adjoining calicles over wall so that as many as 6 of these stand out very prominently in every calice; exsert up to 1 mm. Edge drops without expansion to bottom of fossa; upper portion armed with 5-7 spatulate teeth with spinulate borders; lower portion with 2-3 taller conical teeth, crowded around columella. The spatulate teeth continuous all over mural summit to adjoining calice thus giving surface corallum its spiny appearance.

Columella small, rather compact, a few flake-like trabeculae stand out of surface.

Remarks: There is some uncertainty on the correct identity of this coral. It closely resembles Favia danae as describd by Vaughan (1918) but for the construction of its wall. Yabe, Sugiyama and Eguchi (1936) figured a coral (Pl. XX, fig. 3) resembling the present specimen. However, they named it Favia ehrenbergi Klunzinger, although the wall is that of a Favites. The writer believes that this specimen is a Favites not a Favia.

Source: Nemenzo F (1959) Systematic studies on Philippine shallow water scleractinians: II. Suborder Faviida. Nat. Appli. Sci. Bull. 16: 73-135. 24 pls.