| Amphiscolops sp. 1 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Amphiscolops sp. 2 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Amphiscolops sp. 3 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Amphiscolops sp. 4 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Amphiscolops sp. 5 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Convoluta sp. 1 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Convoluta sp. 2 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Convoluta sp. 3 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Haplodiscus sp. Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Pseudaphanostoma sp. Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Paedomecynostomum sp. Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |
| Haplogonaria sp. 1 Yamasu & Okazaki, 1987 | | - | primary taxonomic authority (describer) | |