Lexicon generum bivalvium

今日は久しぶりに朝から良い天気、良いことありそうな気分です。強い日差しで、小さな太陽光発電装置も一晩廊下を照らしてくれそうです。午後から畑へ行きカツオ菜、菜花、タアサイ、島ラッキョウ、パセリ、大根、蕗の薹など少しづつ収穫してくるつもり。
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P
pachy- Gr. pachys, thick (G. B. Sowerby II, 1842, ed. 2: 213). 厚い

Pachydomus (m.) J. Morris in Paul Edmund de Strzelecki, 1845: 271, unnecessary new name pro Megadesmus J. de C. Sowerby in Mitchell, 1838, 1: 15 [not preoccupied by Megadesma Bowdich, 1822, (2): 8, Donacidae], type species (SD Woodward, 1854: 302; Woodward, 1868: 470) Pachydomus globosus J. de C. Sowerby in J. Morris in P. E. de Strzelecki, 1845: 272-273, pl. 10, figs. 2-3 [= Megadesmus globosus J. de C. Sowerby in T. L. Mitchell, 1838: 15, pl. 1 (err. pro 3), figs. 1-2]; Megadesmidae. Gr. pachys, o, thick, stout (Liddell & Scott, 1955; Gr.domus, o, L. domus, f., house (Woodward, 1868: 469). 頑丈な家；メガデスムス科（ギリシャ語のdomusは男性名詞、ラテン語のdomusは女性名詞。pachyがギリシャ語なので、Pachydomusはギリシャ語と考え、属の性は男性）

Pachyrisma (n.) Morris & Lycett, 1850, 6: 400-401, type species (M) Pachyrisma grande Morris & Lycett, 1850, 6: 401-402; Megalodontidae. Gr. pachys; Gr. erisma, to, a prop, stay, support (Morris & Lycett, 1850: 400; Woodward, 1868: 470). 頑丈な支え（鉸歯）；メガロドン科

palaeo- in Gr. comp., palaeos, acient, old (Stearn, 1983). 昔の

Palliolum (n.) Monterosato, 1884: 5, type species (SD Crosse, 1885, 33: 140) Pecten incomparabilis Risso, 1826, 4: 302-303; Pectinidae. Pallium Schumacher, 1817: 41, 120; -olum, L. diminutive suffix (Jaeger, 1955). 小さなPallium；イタヤガイ科 (Habe, 1977: 87)

Pallium (n.) Schumacher, 1817: 41, 120 [non Schröter, 1802, 3(1): 135-136], type species (M) Pallium striatum Schumacher, 1817, p. 120, pl. 4, fig. 4; see Decatopecten G. B. Sowerby II, 1839, ed. 1: 37; Pectinidae. L. pallium, i, n., a cover, coverlet, a Grecian cloak, mantle, manteau (Lewis, 1915; Schumacher, 1817: 41, 120). 外套、マント；イタヤガイ科キンチャクガイ属 85
　　
Panacca (f.) Dall, 1905, 18(12): 143, new name for Aporema Dall, 1903, 3(6): 1532, non Scudder, 1890, 13: 369-370, Hemipt., type species (OD) Pholadomya arata Verrill & S. I. Smith in Verrill, 1881, [3], 22(41): 301-302; Pholadomyidae. Etymology unknown. 語源不詳；ウミタケガイモドキ科 303

Pandora (f.) Bruguière, 1797, [1: 151 (1827, by Bory de St.-Vincent);] 2: pl. 250, Pandora figs. 1a-c (1797), type species (SD Lamarck, 1799, 1 (An VII): 88) Tellinna inaequivalvis Linnaeus, 1767, ed. 12, 1(2): 1118 [= Solen inaequivalvis Linnaeus, 1758, ed. 10, 1: 673]; Pandoridae. Gr. Pandora, nom mythologique (Chenu, 1847a: 57; 1947b: 137). パンドーラ、ギリシャ神話に登場する女性、神々によって作られ、全ての贈り物を持って地上に遣わされた；ネリガイ科 306

Pandorella (f.) Conrad, 1863, 14: 572, type species (M) Pandorella arenosa Conrad, 1843, 7(1): 130-131; Pandoridae. Pandora Bruguière, 1797, 2, pl. 250, Pandora figs. 1a-c; -ella. 小さなPandora；ネリガイ科ネリガイ属 306