Name(s) in cluster
| †Irvingella (Parairvingella) | urn:lsid:organismnames.com:name:2625509 |
| †Irvingella (Parairvingella) Kobayashi | urn:lsid:organismnames.com:name:2683635 |
| †Irvingella (Parairvingella) Kobayashi 1938 | urn:lsid:organismnames.com:name:3146566 |
...