Umimayanthus sp. GHC0000340 is an unclassified operational taxonomic unit (OTU) within the specialized genus Umimayanthus (family Parazoanthidae), a lineage of macrocnemic zoantharians predominantly renowned for their obligate mutualistic symbioses with marine sponges. Chronologically cataloged under the specimen code GHC0000340, this marine organism avoids the substrate attachment of typical hexacorals, opting instead to encrust and embed its colony within the living organic matrix of its host sponge. Morphologically, it forms creeping stolons or thin, mat-like coenenchyme supporting distinct, elongated tubular polyps decorated with smooth marginal tentacles. To compensate for a reduced calcium carbonate skeleton, its columnar tissue actively incorporates ambient sediment and spicules for mechanical fortification.
| Class | Species | NCBI Taxonomy ID | Assembly Level | GenBank Assembly | Assembly Name | Genome Size (Mb) | WGS Accession | Submitter | BioProject |
|---|
| Hexacorallia | Umimayanthus sp. GHC0000340 | 3415241 | Scaffold | GCA_977925965.1 | jaUmiSpea1.hap2.1 | 678.59 | CDWQYG01 | WELLCOME SANGER INSTITUTE | PRJEB105086 |
| Chromosome Number | Scaffold Number | Contig Number | Protein Number | Protein-Coding Gene Number | Contig N50 | Scaffold N50 | GC content (%) | BUSCO completeness |
|---|
| - | 3729 | 3929 | - | - | 1856000 | 3249200 | 38.5 | C:92.3%[S:90.6%,D:1.7%],F:2.6%,M:5.1% |
