The genus forms a paraphyly on the morphological phylogeny. On the molecular tree, Acanthastrea possesses several ... [details]

Like Acanthogyra but columella absent and corallites are generally in a greater variety of integration types ... [details]

Axial corallites are also seen in some species of Isopora, but with supplementary or multiple axials, and in one ... [details]

In skeleton structure (confluent and regularly porous radial elements, synapticulae, endotheca) similar to ... [details]

Actinaraeopsis is similar to Actinaraea d’Orbigny in structural septal porosity and tabuloid endotheca. The ... [details]

The type material of the genus Actinastraeopsis Sikharulidze, 1977, as originally documented in Sikharulidze (1977, ... [details]

Material described from the Middle Jurassic of India (Patcham Fm, Jumara Dome) as Lophosmilia tenuicaulata ... [details]

From Astraeomorpha Reuss, 1854, the genus differs in 2-4 times larger diameters of trabeculae, pennular septal ... [details]

Like Floriastrea Turnsek but polyps in less varibale integration types (only cerioid) and circumoral budding ... [details]

Superficial resemblance of this genus to Oedalmia Cuif and Lupitschia Cuif (recte Thamnasteriamorpha Melnikova) was ... [details]

Differs from <i>Pleotrochus</i> in having edge crests and lacking pali. [details]

In cerioid type of colony, small corallites, styliform columella the genus is the most similar to Stephanastrea ... [details]

Like Archeosmilia, but strongly bilateral. [details]

From Stuoresimorpha Roniewicz, 1989 differs in open series and the presence of the septum–of-valley [details]

From Alpinophyllia Roniewicz and Stuoresimorpha Roniewicz differs in thamnasterioid type of colony and thin septa ... [details]

Differs from Laminocyathus in having a papillose columella. [details]

The genus seems to be very close of Isastrea. The ornamentation of septa with flattened granules could be a ... [details]

Oyonnaxastraea has a thicker wall and an axially thickened major septum but could range in the variability of ... [details]

From cerioid Pleurostylina de Fromentel, 1856 and Amphiastrea Etallon, 1859 differs in having wide dissepimentarium ... [details]

The genus is highly similar to Barremian-Aptian Rhipidomeandra Morycowa and Masse, 1998, family ... [details]

From other meandroid Triassic corals differs in short septa, lack of columella and mixed septal micromorphology ... [details]

In contrast to the original documentation by Alloiteau (1941, p. 31, pl. 11, fig. 4, pl. 12, figs 4-5), the genus ... [details]

Similar to Asterosmilia but budding daughter corallites from edge zone. [details]

Monotypic [details]

From Coccophyllum it differs in having septal spines arranged in a half-fan and dissepimental endotheca, while in ... [details]

Antiguastrea is morphologically most similar to Tarbellastraea; both genera are plocoid with extracalicular budding, ... [details]

Some morphological transitions can be considered with solitary forms – Rhipidogyra – and massive meandroid ... [details]

No similar corals are known up to now. [details]

Like Actinastrea, Astrocoenia and correlate genera but differing by to have parietal columella formed by trabecular ... [details]

Gregory has compared this genus with Thamnastraea from which it differs mainly by absence of columella. Gregory’s ... [details]

In the corallite structure, the genus is similar to phaceloid Archaeosmiliopsis Melnikova, 1975. In its shape and ... [details]

From related genus Archaeosmilia Melnikova differs in phaceloid growth form. [details]

From thamnasterioid, small-corallite genus Seriastraea Schaefer et Senowbari-Daryan, Astraeomorpha differs in ... [details]

Differs from Hoplangia in having entire axial edges of septa dentate. [details]

Astrea rotulosa has not been been placed on the molecular phylogeny, but it is most similar to A. devantieri. Each ... [details]

having thick, compact costosepta and a well-developed exothecal wall, the material figured from the Aptian of ... [details]

Wells, 1956 considered Mitrodendron as a senior synonym but Mitrodendron is generally considered as more clearly ... [details]

Similar to Conotrochus, but having residual parent fragment attached to base. [details]

Similar to Peponocyathus, but differs in having a rudimentary columella, and multiple paliform lobes per septum [details]

As suggested by the original description (Veron and Pichon, 1982: 138), it shares almost all characters with ... [details]

Three autapomorphies, all macromorphological traits, unambiguously define this monotypic genus: exclusively ... [details]

Like Fungiastrea, Pseudoseris, Polyastreopsis, Eugyropsis, Eugyra and Diplothecophyllia but differing by the ... [details]

Like Microphyllia, but differing by the columella and the closed valleys. Like Comophyllia but differing by the ... [details]

Distinct from Distichophyllum, Coryphyllia, Axosmilia and Bathmosmilia by the possible absence of endotheca (no ... [details]

Like Bantamia Yabe and Eguchi, 1943, but has corallites that are embedded in a Palaeohelia-like coenenchyme. [details]

Monotypic [details]

Bathycoenia is a cerioid Cyathophora, without peritheca. [details]

Like Thecopsammia but not septa not arranged in a Pourtalès plan. [details]

The genus resembles Pamiroseris Melnikova, 1971 in having thick trabeculae, granules and a papillar columella, but ... [details]

The genus is distinct from Pseudocoenia and Cyathophora by the special arrangement of the septal apparatus. Another ... [details]

In comparison with genera that have been in Merulinidae before Budd et al. (2012), it does not appear to share the ... [details]

Similar to Palocyathus (see that account). [details]

Similar to Deltocyathus but reproducing by transverse division. [details]

Said by the authors to resemble Goniocorella, but differing in its lateral branching, epitheca, lamellar columella, ... [details]

See discussion under Hexasmiliopsis. [details]

Similar to other genera with intratentacular budding, but producing a meandroid corallum. [details]

Corallite structure is similar to that in Dermosmilia Koby, but corallites are thinner in diameters and corallum ... [details]

Superficially resembles genus Margarastraea Volz (1896), e.g. M. klipsteini (Frech in Volz 1896:55,pl.5,fig.7) and ... [details]

From solitary Protoheterastraea Wells, 1934 differs in calicular diameter of a higher size magnitude and all septa ... [details]

The closest coral genus is Amphiastrea, as recently revised by Kolodziej (1995), but the major septa exhibit strong ... [details]

Molecular and morphological data support Caulastraea, Mycedium, Oulophyllia and Pectinia as a monophyletic group ... [details]

The genus is incomparable in its fibrous microstructure of septa and wall to other cerioid corals. [details]

In cerioid colonies, the genus differs from the most close Ampakabastraea Alloiteau, 1958 with astraeoid colonies. [details]

Opisthophyllum was synonymized with Cheilosmilia by Beauvais 1963 but this author changed her view in 1976, ... [details]

The genus resembles Pamiroseris Melnikova and Cuifastraea Melnikova in thamnasterioid colony and corallites with ... [details]

Other solitary microsolenid like Trocharaea or Trochoplegma do not grow downward. Genabacia is colonial. [details]

From all Actinastrea-like genera differs in formation of peritheca, and in having trabeculae strongly ... [details]

Like Astrangia, but corallum often massive with plocoid calice arrangement; coenosteum between corallites ... [details]

Related to Apocladophyllia Morycowa and Roniewicz 1990, from which it differs in well accentuated bilateral ... [details]

Beauvais distinguished her genus from Calamophylliopsis by the absence of rufles, from Cladophyllia by the weak ... [details]

Intermediate between Rhizopsammia and Dendrophyllia in corallite integration. [details]

The genus differs from cerioid Stylophyllum in septa developed in the form of ridges on the wall, and in tabular ... [details]

Coelastrea is a well-supported clade. Two synapomorphies have been identified for this genus: limited coenosteum or ... [details]

Similar to Caryophyllia but colonial, from a basal coenosteum. [details]

Comparison with Microphyllia and Comophyllia is in progress [details]

Placophyllia and Pleurophyllia have smaller calices, less septa and the septal cycles can be clearly deciphered. [details]

The genus was discussed by Alloiteau (1957: 240 and 293-294) who pointed to similarity between genera Comophyllia ... [details]

Similar in corallite structure to Eocomoseris Melnikova, 1993, from which differs in having collins. In colony ... [details]

The main differences with Isastrea consist in size of trabecules and corallites (bigger in Complexastrea), the ... [details]

Differs from Caryophyllia in having a polycyclic base and a papillose columella. [details]

Differs from Goniocorella by having a fascicular columella, ridges costae, and large corallites. [details]

Many confusions were made with Complexastrea. (see this genus) [details]

Connectastrea was confused with Amphiastrea (Vaughan and Wells 1943) probably because the rejunenescence process ... [details]

Differs from Turbinolia in lacking a columella and in having fewer external thecal pits (see Cairns, 1997: 22 for ... [details]

The genus differs from other solitary genera with abundqant septa, Myriophyllum Cuif and Omphalophyllia Laube, ... [details]

The corals of the family Conophylliidae Alloiteau , 1952 have septa arranged after decreasing pattern, resembling ... [details]

Compared to Notocyathus and Peponocyathus by the original authors, but differs in not having pali arranged in ... [details]

From Distichophyllia it differs in septal microstructure with the mid-septal zone straight or ondulated, not ... [details]

In the microstructure of septa Coryphyllina is similar to Coryphyllia, from which it differs in differentiation of ... [details]

From other genera of the family Reimaniphylliidae it differs in a strong monoaxial columella and presence of menianes. [details]

The coral for its thick columella and regular shape of corallites resembles Craspedophyllia, but for its septal ... [details]

The coral belong to genera of small calicular diameters (between 0.8-2.3 mm). Externally similar to Toechastraea ... [details]

Like Caryophyllia but lacking pali. [details]

Cryptosepta is distinguished from other phaceloid pachythecal corals such as Pachysolenia, Pachydendron and ... [details]

Differs from Alveolocyathus in having an imperforate theca. [details]

In the internal corallite structure and micromorphology of septa, Cuifastraea is similar to solitary Tropiphyllum ... [details]

Similar to Coryphyllia, from which differs in septal apparatus differentiated into five size categories, and in the ... [details]

Pleurophyllia is more bilateral, has lonsdaleoid septa, a thinner wall a different inner edge of the major septum. [details]

In dimensions of corallites, styliform columella, anastomosis and micromorphology of septa, Curtoseris resembles ... [details]

Pseudocoenia has longer septa a little more ornamented and vertically continuous radial elements. Bilaterocoenia ... [details]