Molecular identification and larval morphology of spionid polychaetes (Annelida, Spionidae) from northeastern Japan

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Article title
Abstract
Keywords
Introduction
Materials and methods
- Sample collection and morphological observation
- DNA analysis and larval identification
Results
- The 18S and 16S rRNA gene analyses of larval and adult spionids
- Identification key to genera of the spionid larvae in northeastern Japan
- Description of larval morphology
  - Family SPIONIDAE Grube, 1850
  - Identification key to species of the larvae belonging to the genus Prionospio in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Scolelepis in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Spiophanes in northeastern Japan
  - Subfamily SPIONINAE Söderström, 1920
  - Identification key to species of the larvae belonging to the genus Boccardia in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Dipolydora in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Polydora in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Pseudopolydora in northeastern Japan
  - Identification key to species of the larvae belonging to the genus Spio in northeastern Japan
Discussion
- Larval identification based on the molecular data
- Morphology of spionid larvae
Acknowledgements
References