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Taxonomy
Cyrtosymbole (Mirabole) kielanae was named by Osmólska (1962). Its type specimen is IG 17l.II .78a and is a 3D body fossil. Its type locality is Karczówka, which is in a Tournaisian marine shale in the Radlin Formation of Poland.
It was recombined as Mirabole (Mirabole) kielanae by Yuan and Xiang (1998); it was recombined as Mirabole kielanae by Gandl et al. (2015).
It was recombined as Mirabole (Mirabole) kielanae by Yuan and Xiang (1998); it was recombined as Mirabole kielanae by Gandl et al. (2015).
Subspecies
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Cyrtosymbole (Mirabole) kielanae Osmólska pp. 150 - 152 figs. pl. X f. 7 |
| 1998 | Mirabole (Mirabole) kielanae Yuan and Xiang pp. 186 - 189 |
| 2015 | Mirabole kielanae Gandl et al. |
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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.
†Mirabole kielanae Osmólska 1962
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†Mirabole (Mirabole) kielanae debita Chlupac 1966
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Yuan and L.-W. Xiang 1998 | A typical species of Mirabole (Mirabole) Osmolska, 1962 with the following features : Cranidium gently vaulted, strongly arched anteriorly; glabella truncated conical in outline , slightly constricted before inconspicuous eye ridges , broadly rounded anteriorly; glabellar furrows on the surface of carapace are hardly perceptible in adults; occipital furrow rather deep and broad on internal mould, narrow and distinct on the surface of carapace, shallowing laterally, isolating from the dorsal furrows; occipital ring slightly narrowing laterally; dorsal furrow distinct, deepened in front of glabella ; preglabellar field absent; anterior border broad, flatly padded, with 2-3 terrace lines on its outer portion; anterior border furrow relatively broad and shallow, not interrupting in front of glabella; anterior branches of facial sutures ( ;3 - r ) relatively short, slightly divergent forward, posterior branches of facial sutures ( c - S ) long, slanting posterolaterally; palpebral lobe relatively long and narrow; free cheek with moderately long genal spine ; pygidium semielliptical in outline, with ill-defined slightly padded broad border and suppressed relief of axial rings and pleural ribs in adults, but on internal mould or juvenile pygidium with 9-10 axial rings and a short postaxial ridge; 6-7 pairs of pleural ribs are distinct; sculpture on the surface of cranidium and pygidium consists of fine scaly ridges up to granules or smooth. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: base of the Late/Upper Famennian to the top of the Tournaisian or 364.70000 to 346.70000 Ma
Collections (10 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Famennian | Czech Republic | Mirabole kielanae, Cyrtosymbole debita (218975) | |
| Late/Upper Famennian | China (Guizhou) | Mirabole kielanae (218959 218960 218961 218962 218963 218964 218965 218966) | |
| Tournaisian | Poland (Northern Kielce) | Cyrtosymbole kielanae (type locality: 217187) |