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Julfamichelinia allata
Taxonomy
Michelinopora allata was named by Tchudinova (1965). Its type specimen is PIN 2053/54 and is a 3D body fossil. Its type locality is Dorasham 2, Dzhulfian Stage, which is in a Wuchiapingian marine horizon in the Julfa Formation of Azerbaijan.
It was recombined as Protomichelinia allata by Ezaki (1991); it was recombined as Julfamichelinia allata by Niko and Badpa (2021).
It was recombined as Protomichelinia allata by Ezaki (1991); it was recombined as Julfamichelinia allata by Niko and Badpa (2021).
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Michelinopora allata Tchudinova p. 154 figs. Pl 10, fig 2 |
| 1991 | Protomichelinia allata Ezaki p. 128 figs. Pl 26, figs 2-4 |
| 2021 | Julfamichelinia allata Niko and Badpa |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Julfamichelinia allata Tchudinova 1965
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. Niko and M. Badpa 2021 | Coralla cerioid, variable in growth shape, exhibiting subcylindrical, bulbous, to fanshaped, small for the subfamily and surrounded by
strong holotheca; the largest coralla (NMNS PA20010) has 49 mm in maximum diameter and 41 mm in maximum height; growth ridges developed on holotheca. Corallites prismatic to subprismatic; except for peripheral corallites that indicate fan-shaped, subtrapezoidal to sub-polygonal transverse sections; most corallites have polygonal sections with 3–9 sides; diameters of corallites are 1.9–7.6 mm. Intercorallite walls thin to moderate, 0.08–0.23 mm, indicate sinuations in longitudinal section, and differentiated into median dark line and stereoplasm; microstructure of stereoplasm is rectradiate fibers; mural pores relatively rare, occur on corallite faces as mid-wall pores and at corners as angle pores; diameters of mural pores are relatively large, 0.3–0.4 mm; no distinct septal spine observable; tabulae well-developed; incomplete tabulae with dissepimental and uparched profiles are most common, but complete ones not rare; there are 3–10 tabulae in corallite length 5 mm; some tabulae thickened, attaining 0.5 mm. |