Montlivaltia fragilis (Fromentel & Ferry, 1866)
publication ID |
https://doi.org/ 10.5252/geodiversitas2021v43a22 |
publication LSID |
urn:lsid:zoobank.org:pub:6D1643AD-66A5-4678-9397-CE08E610D641 |
persistent identifier |
https://treatment.plazi.org/id/03A287A2-481D-316C-9A9B-63ECFDDEF93C |
treatment provided by |
Felipe |
scientific name |
Montlivaltia fragilis (Fromentel & Ferry, 1866) |
status |
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Montlivaltia fragilis (Fromentel & Ferry, 1866)
( Fig. 63 View FIG )
Montlivaultia [sic] fragilis Fromentel & Ferry, 1866: 139 , pl. 24, fig. 4. — Alloiteau 1956b n °119.
Montlivaltia cf. fragilis – Beauvais 1986: 225; 1988: 1091.
Proleptophyllia fragilis – Vasseur 2018: 295-296, fig. 3.77.
TYPE MATERIAL. — Lectotype MNHN.F. M03716 View Materials , Fromentel & Ferry 1866: 139, pl. 24, fig. 4, subsequent designation following the abusive stipulation of the existence of a holotype by Alloiteau (1956b), n°119 ( ICZN 1999 : art.74.6.). TYPE HORIZON. — Pliensbachian . TYPE LOCALITY. — May-sur-Orne, France. STUDIED SAMPLE. — Lectotype MNHN.F. M03716 View Materials . GEOGRAPHIC AND STRATIGRAPHIC RANGES. — Pliensbachian of May-sur-Orne ( Calvados , France).
DESCRIPTION
Solitary, subconical corallum. Radial elements are exsert, thin, subcompact, straight costosepta with trabecular, montlivaltid microstructure made of spaced carinae. No columella but a large and quite deep circular fossa. Endotheca made of tabular dissepiments at the periphery. We observed some vestiges of an epicostal epitheca s.l. that covered the external part of the corallum. Calicular diameter: 36 mm – Septal density:3 to 4 per 2 mm.
SIMILARITIES AND DIFFERENCES
Even if the species is based on one single specimen, it is distinct among species of the genus Montlivaltia because of the delicacy of septa and the large space between them and between carinae in one single septum.
MNHN |
France, Paris, Museum National d'Histoire Naturelle |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Genus |
Montlivaltia fragilis (Fromentel & Ferry, 1866)
Vasseur, Raphaël & Lathuilière, Bernard 2021 |
Proleptophyllia fragilis
VASSEUR R. 2018: 295 |
Montlivaltia cf. fragilis
BEAUVAIS L. 1988: 1091 |
BEAUVAIS L. 1986: 225 |