Café

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+[[!meta title="Genealogical relationships within and among shallow-water Ciona species (Ascidiacea)"]]
+[[!tag Ciona speciation]]
+
+Nydam ML and Harrison RG.
+
+Mar Biol (2007) 151: 1839. doi:10.1007/s00227-007-0617-0
+
+Genealogical relationships within and among shallow-water Ciona species (Ascidiacea)
+
+[[!doi 10.1007/s00227-007-0617-0 desc="Mitochondrial CO1 sequencing shows that Type A and B Ciona intestinalis are as distant as separate species."]]

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 [[!meta title="pages tagged Ciona"]]
 
+_C. intestinalis_ and _C. savignyi_ can cross-fertilise after removal of the
+vitelline enveloppe ([[Byrd and Lambert, 2000|biblio/10602281]]).
+
 _Ciona robusta_'s sperm can efficiently fertilise _C. intestinalis_ eggs, but
-the fertilisation crosses are much lower in the reciprocal crosses ([[Suzuki,
+the fertilisation rates are much lower in the reciprocal crosses ([[Suzuki,
 Nishikawa and Bird, 2005|biblio/16205978]], [[Malfant, Darras and Viart,
 2018|biblio/29367599]]).
 
-_C. intestinalis_ and _C. savignyi_ can cross-fertilise after removal of the
-vitelline enveloppe ([[Byrd and Lambert, 2000|biblio/10602281]]).
+Comparison of mitochnodrial CO1 sequences show that _C. intestinalis_ types A
+and B (now renamed _robusta_ and _intestinalis sensu_ ) are as distant as
+distinc species [[Nydam and Harrison, 2007|biblio/10.1007_s00227-007-0617-0]].
 
 [[!inline pages="tagged(Ciona)" actions="no" limit=0]]