Image of Apatopygus occidentalis H. L. Clark 1938

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Apatopygus Hawkins 1920

Euechinoidea; Apatopygus; Apatopygidae (apatopygid sea urchins); Neognathostomata; Irregularia; Echinoidea (sea urchins); Echinozoa; Echinodermata (echinoderms); Apatopygus occidentalis; Deuterostomia (deuterostomes); Bilateria; Opisthokonta (opisthokonts); Metazoa (animals); Eukaryota (eukaryotes); Cellular (cellular organisms); Life (creatures)

Echinozoa; Echinoidea (sea urchins); Euechinoidea; Irregularia; Neognathostomata; Apatopygidae (apatopygid sea urchins); Apatopygus; Apatopygus recens; Echinodermata (echinoderms); Deuterostomia (deuterostomes); Bilateria; Opisthokonta (opisthokonts); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes); Metazoa (animals)

Apatopygus; Apatopygidae (apatopygid sea urchins); Neognathostomata; Irregularia; Euechinoidea; Echinozoa; Echinoidea (sea urchins); Apatopygus recens; Echinodermata (echinoderms); Deuterostomia (deuterostomes); Bilateria; Opisthokonta (opisthokonts); Life (creatures); Cellular (cellular organisms); Eukaryota (eukaryotes); Metazoa (animals)

Irregularia; Echinozoa; Euechinoidea; Neognathostomata; Apatopygidae (apatopygid sea urchins); Apatopygus; Echinoidea (sea urchins); Apatopygus recens; Echinodermata (echinoderms); Deuterostomia (deuterostomes); Bilateria; Opisthokonta (opisthokonts); Cellular (cellular organisms); Life (creatures); Eukaryota (eukaryotes); Metazoa (animals)

Apatopygus; Apatopygidae (apatopygid sea urchins); Neognathostomata; Irregularia; Euechinoidea; Echinoidea (sea urchins); Echinozoa; Apatopygus recens; Echinodermata (echinoderms); Deuterostomia (deuterostomes); Bilateria; Opisthokonta (opisthokonts); Life (creatures); Cellular (cellular organisms); Eukaryota (eukaryotes); Metazoa (animals)