Not stated, but H. protulicola is evidently named from Protula (serpulid genus) combined with the New Latin ... [details]
Not stated but H. spongicola is evidently named from English ‘sponge’ as stem spongi- combined with the New ... [details]
Northeast off Cape Hatteras, North Carolina, USA, 86 m, 35.7°, -74.9083 (author) [details]
West offshore from Venice, Florida, Gulf of Mexico, USA, 48 m. author geodata 27.0667°, -83.3542° [details]