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Amygdalocystites florealis
Taxonomy
Amygdalocystites florealis was named by Billings (1854).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Amygdalocystites florealis Billings pp. 270- 271 figs. 4-6 |
| 1883 | Amygdalocystites florealis laevis Billings p. 51 fig. 4 |
| 1946 | Amygdalocystites florealis Wilson pp. 9-10 figs. pl. 1, figs. 1-2 |
| 1946 | Ottawacystites laevis Wilson p. 14 figs. Plate III, figure 1 |
| 1975 | Amygdalocystites florealis Parsley and Mintz pp. 49 - 51 figs. PI. 4, figs. 1-7; PI. 5, figs. 1-7; Text-fig. 1 |
| 1981 | Amygdalocystites florealis Parsley p. 2 |
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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.
†Amygdalocystites florealis Billings 1854
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Invalid names: Amygdalocystites laevis Billings 1883 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Parsley and L. W. Mintz 1975 | Theca transversely elliptical in cross section, ovoid to almond-shaped in outline. Thecal plates numerous, hexagonal to octagonal, each plate with prominent prosopon rays radiating from an elevated central boss to the plate corners. Subepistereomal sutural pores well developed, usually adjacent to, or under, prosopon rays. Two uniserial arms recumbent, transverse. Each arm ossicle with free-standing pinnule; biserial covering plates on pinnules and over main food grooves. Periproct on anterior or posterior face. Column slightly tapering, composed of thin ossicles with crenulate sutures; proximal column sharply curved. |