Abertella miskellyi (Mooi, Rich, Martínez, Sergio A., Del Río, Claudia J. & Ramos, Maria Inês Feijó 2018)

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Mooi, Rich, Martínez, Sergio A., Del Río, Claudia J., Ramos, Maria Inês Feijó (2018) Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species. Zootaxa 4369 : 318 – 318, doi. Versioned wiki page: 2018-01-23, version 165100, https://species-id.net/w/index.php?title=Abertella_miskellyi_(Mooi,_Rich,_Mart%C3%ADnez,_Sergio_A.,_Del_R%C3%ADo,_Claudia_J._%26_Ramos,_Maria_In%C3%AAs_Feij%C3%B3_2018)&oldid=165100 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Mooi2018Zootaxa4369,
author = {Mooi, Rich AND Martínez, Sergio A. AND Del Río, Claudia J. AND Ramos, Maria Inês Feijó},
journal = {Zootaxa},
title = {Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species},
year = {2018},
volume = {4369},
issue = {},
pages = {318 -- 318},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2018-01-23, version 165100, https://species-id.net/w/index.php?title=Abertella_miskellyi_(Mooi,_Rich,_Mart%C3%ADnez,_Sergio_A.,_Del_R%C3%ADo,_Claudia_J._%26_Ramos,_Maria_In%C3%AAs_Feij%C3%B3_2018)&oldid=165100 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species
A1 - Mooi, Rich
A1 - Martínez, Sergio A.
A1 - Del Río, Claudia J.
A1 - Ramos, Maria Inês Feijó
Y1 - 2018
JF - Zootaxa
JA -
VL - 4369
IS -
UR - http://dx.doi.org/TODO
SP - 318
EP - 318
PB -
M1 - Versioned wiki page: 2018-01-23, version 165100, https://species-id.net/w/index.php?title=Abertella_miskellyi_(Mooi,_Rich,_Mart%C3%ADnez,_Sergio_A.,_Del_R%C3%ADo,_Claudia_J._%26_Ramos,_Maria_In%C3%AAs_Feij%C3%B3_2018)&oldid=165100 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Mooi2018Zootaxa4369">{{Citation
| author = Mooi, Rich, Martínez, Sergio A., Del Río, Claudia J., Ramos, Maria Inês Feijó
| title = Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species
| journal = Zootaxa
| year = 2018
| volume = 4369
| issue =
| pages = 318 -- 318
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-02-17

}} Versioned wiki page: 2018-01-23, version 165100, https://species-id.net/w/index.php?title=Abertella_miskellyi_(Mooi,_Rich,_Mart%C3%ADnez,_Sergio_A.,_Del_R%C3%ADo,_Claudia_J._%26_Ramos,_Maria_In%C3%AAs_Feij%C3%B3_2018)&oldid=165100 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Clypeasteroida
Familia: Abertellidae
Genus: Abertella

Name

Abertella miskellyi Kroh et al., 2013Wikispecies linkPensoft Profile

Diagnosis

Diagnosis. Abertella with strongly heterogeneous interambulacral basicoronal plates (small in interambulacrum 5, largest in interambulacra 2 and 3); oral interambulacra discontinuous by involvement of two adjacent ambulacral plates (rather than one as in other Abertella) in at least one of the oral interambulacra; apparent "violation" of Lovén's Rule in oral ambulacrum III.

Materials Examined

Type material studied.Holotype MB E.7463, paratype MB E.7462.

Description

Description. See Kroh et al. (2013). Argentina Chubut Province

Discussion

Remarks. This species is unique among Abertella in that the posterior interambulacral basicoronal plate is much smaller than that in each of the paired interambulacral basicoronals. It is also the only Abertella in which specimens are known to have a discontinuity involving more than one postbasicoronal plate in a given halfambulacrum. An unusual feature of one of the known specimens of A. miskellyi is that ambulacral basicoronal III at first seemed longer in the "a" column than in the "b" column, suggesting violation of Lovén's Rule (sensu David et al. 1996) until a small plate was detected, wedged between the basicoronal plates of ambulacrum III to re-establish the Lovénian pattern (Kroh et al. 2013).

Taxon Treatment

  • Mooi, Rich; Martínez, Sergio A.; Del Río, Claudia J.; Ramos, Maria Inês Feijó; 2018: Late Oligocene - Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species, Zootaxa 4369: 318-318. doi
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