Archaeperidinium saanichi sp. nov. a new species based on morphological variation of cyst and theca within the Archaeperidinium minutum Jörgensen 1912 species complex
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Archaeperidinium saanichi sp. nov. a new species based on morphological variation of cyst and theca within the Archaeperidinium minutum Jörgensen 1912 species complex. / Mertens, Kenneth Neil; Yamaguchi, Aika; Kawami, Hisae; dos Santos Ribeiro, Sofia Isabel; Leander, Brian S.; Price, Andrea Michelle; Pospelova, Vera; Ellegaard, Marianne; Matsuoka, Kazumi.
In: Marine Micropaleontology, Vol. 96–97, 2012, p. 48-62.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Archaeperidinium saanichi sp. nov.
T2 - a new species based on morphological variation of cyst and theca within the Archaeperidinium minutum Jörgensen 1912 species complex
AU - Mertens, Kenneth Neil
AU - Yamaguchi, Aika
AU - Kawami, Hisae
AU - dos Santos Ribeiro, Sofia Isabel
AU - Leander, Brian S.
AU - Price, Andrea Michelle
AU - Pospelova, Vera
AU - Ellegaard, Marianne
AU - Matsuoka, Kazumi
PY - 2012
Y1 - 2012
N2 - In this paper we describe a new species, Archaeperidinium saanichi sp. nov. within the Archaeperidinium minutum Jörgensen 1912 species complex. We examined the morphological variation of the cyst and motile stage by incubation experiments from sediment samples collected in coastal British Columbia (Canada), and compared it to closely related species. The theca of A. saanichi is differentiated from related species by overall size, the asymmetry of the intercalary plates and the right-sulcal plate (S.d.) not touching the cingulum. We provide a key to differentiate all closely related species. A. saanichi can be readily distinguished from A. minutum by a distinctively large cyst with a broad 2a type archeopyle and regularly spaced processes with relatively broad bases and aculeate process tips. Molecular phylogenetic analyses of large and small subunit (LSU and SSU) rDNA sequences demonstrated a close affinity of this species to A. minutum; however, the relatively high level of sequence conservation in dinoflagellate rDNA sequences made these particular markers inadequate for distinguishing one species from the other. Sediment-trap data suggest that A. saanichi has a preference for cooler temperatures and lowered salinities.
AB - In this paper we describe a new species, Archaeperidinium saanichi sp. nov. within the Archaeperidinium minutum Jörgensen 1912 species complex. We examined the morphological variation of the cyst and motile stage by incubation experiments from sediment samples collected in coastal British Columbia (Canada), and compared it to closely related species. The theca of A. saanichi is differentiated from related species by overall size, the asymmetry of the intercalary plates and the right-sulcal plate (S.d.) not touching the cingulum. We provide a key to differentiate all closely related species. A. saanichi can be readily distinguished from A. minutum by a distinctively large cyst with a broad 2a type archeopyle and regularly spaced processes with relatively broad bases and aculeate process tips. Molecular phylogenetic analyses of large and small subunit (LSU and SSU) rDNA sequences demonstrated a close affinity of this species to A. minutum; however, the relatively high level of sequence conservation in dinoflagellate rDNA sequences made these particular markers inadequate for distinguishing one species from the other. Sediment-trap data suggest that A. saanichi has a preference for cooler temperatures and lowered salinities.
U2 - 10.1016/j.marmicro.2012.08.002
DO - 10.1016/j.marmicro.2012.08.002
M3 - Journal article
VL - 96–97
SP - 48
EP - 62
JO - Marine Micropaleontology
JF - Marine Micropaleontology
SN - 0377-8398
ER -
ID: 47974606